As of August 2026, Denis O'Dea is best known for Treasure Island. Find every show and movie Denis O'Dea has starred in — and where to watch them — below.
Denis O'Dea

Denis O'Dea

Actor Born 1905 Dublin, Ireland 8 Movies

Denis O'Dea (26 April 1905 – 5 November 1978) was an Irish stage and film actor.

He was born in Dublin and attended Synge Street CBS. When very young he and his mother Kathleen (from County Kerry) moved in with her sister, who kept a boarding house at 54 South Richmond Street. He worked in insurance until taking up acting. O'Dea was a leading member of Dublin's Abbey Theatre where he had a great acting career from 1929 to 1953; a list of his performances can be found in the Abbey archives. He also appeared in numerous plays by Irish playwright Teresa Deevy, some of which toured New York and England. His work led to a number of notable film roles, including two mid-1930s John Ford films, The Informer and The Plough and the Stars (1936), and the part of the police inspector in pursuit of IRA man James Mason in Carol Reed's Odd Man Out (1947).

Denis O'Dea has built a filmography of 8 credits over a career spanning from 1947 to 1959.

Denis O'Dea's most notable role to date came in Niagara (1953), where he played Inspector Starkey. He also appeared in Treasure Island (1950) as Dr. Livesy. Most recently appeared in Odd Man Out (1947) as Inspector.

Fans wanting to catch up on Denis O'Dea's work can find exactly where his movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

or
TV Butler Pro app
🎩 TV Butler Pro — Free to Use
Search or tap a mood. Butler finds it, tracks it, remembers it — all for free.

🎬 Denis O'Dea's Movies

Treasure Island
Dr. Livesy
1950
Niagara
Inspector Starkey
1953
Captain Horatio Hornblower R.N.
RAdm. Sir Rodney Leighton
1951
Darby O'Gill and the Little People
Father Murphy
1959
Odd Man Out
Inspector
1947
Mogambo
Father Josef
1953
Under Capricorn
Mr. Corrigan
1949
The Fallen Idol
Inspector Crowe
1948

Never Miss a Show Starring Denis O'Dea

TV Butler Pro™ tracks everything you watch, finds where to stream any show or movie — free to use, opens right in your browser.

🎩 Try TV Butler Pro™ Free