The lead male actor in *Roman Holiday* (1953) is **Gregory Peck**, who played the reporter Joe Bradley. Because you mentioned you might have seen him before, you likely recognize him from his most iconic role as Atticus Finch in *To Kill a Mockingbird*.
Since Peck had a career spanning over 50 years, below is a detailed list of his most significant films, followed by a full chronological list of his other screen appearances.
### **The Iconic Roles (The Ones You Likely Know)**
* **To Kill a Mockingbird (1962)** – Perhaps his most famous role, Peck played **Atticus Finch**, a principled lawyer in the Depression-era South defending a Black man falsely accused of a crime. He won the Academy Award for Best Actor for this performance.
* **The Omen (1976)** – A legendary horror film where Peck plays **Robert Thorn**, a diplomat who realizes his young son, Damien, may be the Antichrist.
* **The Guns of Navarone (1961)** – A high-stakes WWII action classic. He plays **Captain Keith Mallory**, the leader of a commando team tasked with destroying massive German shore batteries.
* **Spellbound (1945)** – Directed by Alfred Hitchcock. Peck stars as **John Ballantyne**, a man suffering from amnesia who is suspected of murder, opposite Ingrid Bergman.
* **Gentleman's Agreement (1947)** – Peck plays **Philip Schuyler Green**, a journalist who poses as a Jewish man to investigate and expose antisemitism in New York.
* **The Big Country (1958)** – An epic Western where he plays **James McKay**, a refined Easterner who gets caught in a violent land feud in the West.
* **Cape Fear (1962)** – He plays **Sam Bowden**, a lawyer stalked by a vengeful criminal (Robert Mitchum). Interestingly, Peck also appeared in the 1991 Martin Scorsese remake in a different role.
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### **Full Filmography (Chronological)**
Because you asked for "all" other films, here is the rest of his extensive body of work:
#### **The Early Breakthrough (1944–1950)**
* **Days of Glory (1944):** His film debut as a Russian guerrilla leader during WWII.
* **The Keys of the Kingdom (1944):** Played Father Francis Chisholm (Oscar nomination).
* **The Valley of Decision (1945):** A romantic drama set in a steel mill town.
* **The Yearling (1946):** Played a pioneer father (Oscar nomination).
* **Duel in the Sun (1946):** A "Western noir" where he played a villainous rogue.
* **The Macomber Affair (1947):** A drama set during an African safari.
* **The Paradine Case (1947):** Another Hitchcock thriller; he plays a defense lawyer.
* **Yellow Sky (1948):** A gritty Western where he plays a bank robber.
* **The Great Sinner (1949):** A drama based on Dostoevsky’s *The Gambler*.
* **Twelve O'Clock High (1949):** A war drama about bomber pilots (Oscar nomination).
* **The Gunfighter (1950):** A classic Western; he plays a tired gunslinger.
#### **International Stardom (1951–1960)**
* **Captain Horatio Hornblower (1951):** Swashbuckling sea adventure.
* **Only the Valiant (1951):** An Army cavalry Western.
* **David and Bathsheba (1951):** Biblical epic.
* **The World in His Arms (1952):** Sea adventure set in Alaska.
* **The Snows of Kilimanjaro (1952):** Based on the Hemingway story.
* **The Million Pound Note (1954):** A comedy about a bet involving a bank note.
* **Night People (1954):** A Cold War thriller set in Berlin.
* **The Purple Plain (1954):** WWII drama set in Burma.
* **The Man in the Gray Flannel Suit (1956):** A look at postwar corporate life.
* **Moby Dick (1956):** Played the obsessed **Captain Ahab**.
* **Designing Woman (1957):** A romantic comedy with Lauren Bacall.
* **The Bravados (1958):** A Western about a man seeking revenge.
* **Pork Chop Hill (1959):** A stark Korean War film.
* **Beloved Infidel (1959):** Played writer F. Scott Fitzgerald.
* **On the Beach (1959):** A post-apocalyptic drama about the end of the world.
#### **Later Career (1961–1991)**
* **How the West Was Won (1962):** A massive star-studded Western epic.
* **Captain Newman, M.D. (1963):** Played a military psychiatrist.
* **Behold a Pale Horse (1964):** A drama about the Spanish Civil War.
* **Mirage (1965):** A neo-noir mystery/thriller.
* **Arabesque (1966):** An espionage thriller with Sophia Loren.
* **The Stalking Moon (1968):** A suspenseful Western.
* **Mackenna's Gold (1969):** An adventure film about hidden gold.
* **The Chairman (1969):** A spy thriller set in China.
* **Marooned (1969):** A space disaster film.
* **I Walk the Line (1970):** A Southern drama/thriller.
* **Shoot Out (1971):** A late-career Western.
* **Billy Two Hats (1974):** Another Western filmed in Israel.
* **MacArthur (1977):** Played General Douglas MacArthur.
* **The Boys from Brazil (1978):** Played the villainous Nazi doctor **Josef Mengele** (Oscar nomination).
* **The Sea Wolves (1980):** A WWII action movie with Roger Moore.
* **The Scarlet and the Black (1983):** TV Movie; played a priest helping Jews in Nazi-occupied Rome.
* **Amazing Grace and Chuck (1987):** A drama about a boy protesting nuclear weapons.
* **Old Gringo (1989):** Played author Ambrose Bierce.
* **Other People's Money (1991):** His final theatrical film role.
***Note on Audrey Hepburn:*** *If you were thinking of the female lead, Audrey Hepburn is also world-famous for **Breakfast at Tiffany’s**, **Sabrina**, **My Fair Lady**, and **Charade**.*