Dan O'Herlihy (1919 - 2005)
- Odd Man Out (Gang War) (1947) [Nolan]: Shot to death (off-camera), along with Cyril Cusack, in a shoot-out with police outside the boarding house. We only hear the shots from inside the house; their bodies are shown lying in the street afterwards.
- The Desert Fox (The Desert Fox: The Story of Rommel) (1951) [Commando Captain]: Fatally shot by German soldiers while Dan and his men are on a mission to kill James Mason; he dies after learning that James wasn't even at the site of the attack. (Thanks to Gordon)
- The Virgin Queen (1955) [Lord Derry]: Fatally stabbed in a fight with the royal guards; he dies shortly afterwards in Joan Collins' arms. (Thanks to Gordon)
- Fail-Safe (1964) [Brigadier General Warren A. Black]: Commits suicide by injecting himself with an unspecified substance, after dropping a nuclear bomb on New York City to prevent a retaliatory strike by the Soviet Union. (Thanks to Dan)
- Halloween III: Season of the Witch (1982) [Conal Cochran]: Disintegrated when the supernatural forces in his laboratory create an overload.
- The Last Half Hour: The Mayerling Story (1951 TV) [Rudolf, Crown Prince of Astoria]: Commits suicide by shooting himself. (Thanks to Gordon)
- Combat: The Chateau (1963) [Major Richter]: Stabbed to death by Joan Hackett. (Thanks to Gordon)
- The High Chaparral: The Filebusteros (1967) [Jake Lanier]: Shot in the back by Cameron Mitchell as he is holding Linda Cristal hostage. (Thanks to Brian)
- Murder, She Wrote: It's a Dog's Life (1984) [Denton Langley]: Thrown from his horse during a fox-hunt, after the horse had been drugged by Lenore Kasdorf.
- Dark Mansions (1986 TV) [Alexander Drake]: Electrocuted by being struck by lightning.
- The Ray Bradbury Theater: The Coffin (1988) [Charles Braling]: Dies of a heart attack upon completing his last invention.
- Twin Peaks: Beyond Life and Death (1991) [Andrew Packard]: Possibly killed in an explosion in a bank vault, when he and Jack Nance open a booby-trapped safe deposit box. (Although this was set up as a cliffhanger, the series was not renewed, so it was never revealed whether or not they survived the explosion.) (Thanks to Johan)
- Brother of Michael O'Herlihy (TV director).
- Father of Gavan O'Herlihy.