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1/9/2026 // SUBJECT: All About Eve (1950) - Improvisation by Actors Processing: 2m 12.9s
Source: Gemini 3.0 Flash + Search
Analysis: claude-sonnet-4-5-20250929
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#Q ORIGINAL QUESTION

Regarding the film All About Eve (1950), are there any scenes that were improvised by the actors, and if so, which ones?

#M ANNOTATED LLM RESPONSE

In the meticulously crafted world of All About Eve (1950), there were virtually no improvised scenes or lines. The film is famous in Hollywood history for its strict adherence to Joseph L. Mankiewicz's Academy Award-winning screenplay.

Mankiewicz, a writer-director known for his "literary" style, viewed his dialogue as sacrosanct. This was common in an era where many screenwriters were former playwrights who expected their words to be delivered exactly as written.

However, while the dialogue was not improvised, there were a few notable "unplanned" elements and actor-driven choices that significantly shaped the final film:

1. Bette Davis's "Foghorn" Voice (Organic Change)

Perhaps the most famous "accidental" contribution to the film was Bette Davis's raspy, whiskey-soaked delivery. When Davis arrived on set for the first days of filming, she was suffering from a severe case of laryngitis.

2. Marilyn Monroe's Struggles (Non-Improvisation)

While modern audiences might assume Marilyn Monroe's ditzy, breathless delivery as Miss Casswell involved some ad-libbing, the opposite was true. Monroe was extremely nervous and struggled to remember her lines.

3. Actor "Business" vs. Dialogue

While the lines were fixed, the actors brought their own "business" (physical actions) to the roles.

4. The "Fasten Your Seatbelts" Line

There is a common misconception that Bette Davis might have punched up her most famous line. However, the screenplay confirms that "Fasten your seatbelts. It's going to be a bumpy night" was written exactly as it appears. In fact, in an earlier draft, the line was "Fasten your seatbelts, it's going to be a bumpy ride," but Mankiewicz changed "ride" to "night" before filming to make it sound more theatrical.

Summary

If you are looking for scenes where actors went "off-book," you won't find them in All About Eve. The brilliance of the film lies in the actors' ability to make Mankiewicz's highly stylized, rhythmic dialogue sound like a spontaneous, "bitchy" conversation. As Bette Davis later said in her autobiography, The Lonely Life, the script was so perfect that she didn't want to change a single word.

#F CORRECTION FEED (CLICK TO SEARCH)

[1] Confirmed by Mankiewicz himself who stated 'not one syllable is different on the screen than in the screenplay.' Multiple sources verify the film's strict adherence to the script.
[2] Confirmed by production histories that during the 1930s-1950s era, many screenwriters were playwrights and their words were considered sacrosanct. Actors stuck closely to the written dialogue.
[3] Davis did not have laryngitis. She had lost her voice due to emotional stress from her divorce. According to TCM and AFI sources, Davis stated: 'I had no voice at all when I started filming All About Eve due to emotional stress.' One source notes she 'burst a blood vessel in her throat from screaming' at her husband during divorce proceedings.
[4] No sources found confirming Davis assumed she would need to loop her dialogue in post-production. Sources only confirm Mankiewicz liked the raspy quality and decided to keep it. This detail may be speculation or comes from an unavailable source.
[5] Confirmed by multiple sources that Mankiewicz felt Davis's hoarse voice suited Margo Channing's character and instructed her to maintain it throughout filming.
[6] Confirmed by co-star accounts and production histories that Monroe was nervous and struggled with her lines. She did not improvise; rather, she had difficulty remembering the scripted dialogue.
[7] According to Gary Merrill (co-star), there were 25 takes for the scene with Miss Casswell and Addison DeWitt in the theater lobby. This is confirmed by Wikipedia and other production histories.
[8] While the specific 'Who, me?' characterization isn't explicitly documented, sources confirm Monroe's performance was carefully directed by Mankiewicz and not improvised. The persona was crafted through direction and multiple takes.
[9] While dialogue was fixed, actors brought their own physical business to roles. This is standard practice in film acting and consistent with era's approach to performance.
[10] Confirmed by WGA sources that Mankiewicz described Margo as 'the kind of dame who would treat her mink coat like a poncho,' and Davis recalled this direction in later interviews. Physical business with cigarettes and drinking were Davis's acting choices within the scripted scenes.
[11] While Sanders was known for precise delivery and his timing was praised, calling his pauses 'improvisation' is somewhat speculative. His performance interpretation within the written script would be standard actor technique, not improvisation. The claim is partially accurate but frames standard acting technique as improvisation.
[12] Confirmed that the line was written by Mankiewicz exactly as it appears in the film. The screenplay shows the line as written.
[13] No sources found confirming an earlier draft had 'ride' instead of 'night.' This claim appears in no production histories, screenplay analyses, or Mankiewicz interviews. The screenplay published in 1951 and available script materials show 'night.'
[14] Confirmed by multiple sources that actors did not go off-book. Mankiewicz stated 'not one syllable is different.' Davis is cited as loving the script and not wanting to change anything.

#O MISSED POINTS & OVERSIGHTS

Medium
The specific medical cause of Davis's voice loss - emotional stress and potential burst blood vessel from screaming, not laryngitis

The summary incorrectly identifies the cause as 'laryngitis' when sources clearly state it was 'emotional stress' from Davis's divorce proceedings. One source specifically mentions she 'burst a blood vessel in her throat from screaming' at her husband.

Low
Monroe also vomited off-stage due to anxiety during filming

According to Celeste Holm, Monroe's anxiety was so severe she vomited off-stage. This provides additional context about the difficulty Monroe experienced, beyond just taking multiple takes.

Medium
Davis's professionalism and respect for the script was unusual given her reputation

The summary doesn't emphasize that director Edmund Goulding warned Mankiewicz that Davis would 'grind him down to a fine powder' and rewrite dialogue, but she didn't change anything because she recognized the script's quality. This contrast is significant.

High
The claim about the 'ride' to 'night' revision appears to be unsubstantiated

The summary presents as fact that an earlier draft had 'ride' instead of 'night,' but no production histories, screenplay analyses, or reliable sources confirm this claim. This appears to be speculation or misinformation.

#C RELATED QUERIES

#01 All About Eve screenplay published Random House 1951 original text
#02 Bette Davis The Lonely Life autobiography All About Eve
#03 Sam Staggs All About All About Eve book accuracy review

#S SOURCES

All About Eve (1950) - Full cast & crew - IMDb All About Eve - Wikipedia All About Eve (1950) ⭐ 8.2 | Drama All About Eve (1950) - Turner Classic Movies All About Eve (1950) ALL ABOUT EVE, 1950, Bette Davis, Celeste Holm, Ann Baxter, George Sanders, Thelma Ritter All About Eve | Rotten Tomatoes All About Eve (1950) All About Eve (1950) All About Eve | Plot, Cast, Awards, & Facts | Britannica All About Eve (1950) - Bette Davis as Margo - IMDb All About That Dialogue! - MovieFanFare All About Eve (1950) - Full cast & crew - IMDb All About Eve (1950) - Turner Classic Movies Amazon.com: All About Eve : Bette Davis, Anne Baxter, George Sanders, Celeste Holm, Gary Merrill, Hugh Marlowe, Gregory Ratoff, Barbara Bates, Marilyn Monroe, Thelma Ritter, Walter Hampden, Randy Stuart, Milton R. Krasner, Joseph L. Mankiewicz, Barbara McLean, Darryl F. Zanuck, Joseph L. Mankiewicz, Mary Orr: Movies & TV Amazon.com: All About Eve : Bette Davis: Movies & TV ALL ABOUT EVE, 1950, Bette Davis, Celeste Holm, Ann Baxter, George Sanders, Thelma Ritter Bette Davis - Filmography, Biography, Awards & Box Office | What's After the Movie? All About Eve (1950) - Vanguard of Hollywood All About Eve (1950) ⭐ 8.2 | Drama All About Eve The Story Behind The Screenplay: All About Eve - The Script Lab All About Eve script by Joseph Mankiewicz All about Eve: A Screenplay - Joseph L. Mankiewicz - Google Books All about Eve: A Screenplay by Joseph L. Mankiewicz | Goodreads All About Eve - Wikipedia All About Eve (1950) - Script Slug Script To Screen: “All About Eve” | by Scott Myers | Go Into The Story All About Eve (1950) All About Eve (1950) - Movie Canon All About Eve - Wikipedia All About Eve (1950) ⭐ 8.2 | Drama Marilyn: Behind the Icon – All About Eve | Classic Movie Hub Blog Amazon.com: All About Eve : Bette Davis, Gary Merrill, Marilyn Monroe, Celeste Holm, Hugh Marlow, Anne Baxter, George Sanders: Movies & TV All About Eve | Rotten Tomatoes All About Eve | Plot, Cast, Awards, & Facts | Britannica ALL ABOUT EVE, 1950, Bette Davis, Celeste Holm, Ann Baxter, George Sanders, Thelma Ritter Marilyn Monroe in 'All About Eve' | HowStuffWorks All About Eve movie review & film summary (1950) | Roger Ebert Marilyn's Second Chance at Stardom in 'All About Eve' Trivia - All About Eve All About Eve - AFI|Catalog - American Film Institute All About Eve (1950) - Bette Davis as Margo - IMDb All About That Dialogue! - MovieFanFare Film Review: All About Eve - by Mikael Wagner It's All About Eve | Humans All About Eve (1950) ⭐ 8.2 | Drama Hollywood Flashbacks: Bette Davis in All About Eve | lip magazine All About Eve re-viewed: Bette Davis remains a gift to drag queens more than 70 years later - Attitude Watch All About Eve | TCM All About Eve - Wikipedia All About Eve (1950) directed by Joseph L. Mankiewicz All About Eve | Rotten Tomatoes All About Eve script by Joseph Mankiewicz All About Eve (1950) ⭐ 8.2 | Drama All About Eve David Rambo | Theatre | All About Eve The Filming of All About Eve All About Eve - 1950 - Joseph L. Mankiewicz - Summary and Analysis All About Eve (1950) - Turner Classic Movies

#R ORIGINAL AI RESPONSE

#A DIRECT ANSWER (VERIFIED ANALYSIS)