Acting credits
50
Established
Large and steady acting portfolio.

Acting
These indicators come from TMDB. They are relative signals, not review ratings.
Acting credits
50
Established
Large and steady acting portfolio.
TMDB popularity
1.3
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
TMDB ID: 12660
IMDb ID: nm0641398
Known for: Acting
Born: July 29, 1951
Died: September 15, 2021
Age: 70
Place of birth: Dublin, Ireland
Gender: Male
Adult content flag: No
Career span: 1969 - 2009
Years active: 41
Average TMDB rating: 6.78
Wikidata: Q1748652
Gavan O’Herlihy (29 July 1951 – 15 September 2021) was an Irish actor whose career spanned film, television, and stage, marked by a distinctive presence and a talent for commanding roles. Born in Dublin to actor Dan O’Herlihy and artist Elsie Bennett, he spent his early years between Ireland and the United States, eventually attending Phillips Academy Andover and later the University of California, where he excelled as a champion tennis player before turning fully toward acting. O’Herlihy first gained attention as Chuck Cunningham in the early episodes of Happy Days, a role he deliberately left behind to avoid being typecast in light comedic parts. He instead built a diverse and often hard‑edged body of work, appearing in major productions including Never Say Never Again (as the villainous Jack Petachi), Superman III, Death Wish 3, Willow (as the warrior Airk Thaughbaer), and the acclaimed miniseries Lonesome Dove. His television career was equally varied, with appearances in Twin Peaks, Star Trek: Voyager, The Six Million Dollar Man, Murder, She Wrote, and numerous British productions after relocating to the UK. Across more than fifty screen credits, O’Herlihy became known for portraying complex, often formidable characters — soldiers, outlaws, antagonists, and men with a dangerous edge — roles he embraced for the challenge and dramatic weight they offered. Off‑screen, he was regarded as thoughtful, private, and deeply committed to his craft, preferring character work over celebrity. He died in Bath, England, on 15 September 2021 at the age of 70, reportedly of natural causes.



Movie credits linked with Gavan O'Herlihy.
as Vaines
as Mickey
as Bill Kincaid
as Leroy
as King Thane
as Lieutenant Logan
as Dick Powell
as Marshal Sharp
as Captain Thomas Leroy
as Chris Mahler, Cowboy
as Clancy
as Airk
as Manny Fraker
as Conrad E. Perkins
as Ron Harris
as Julius P. Hersheimmer
as Jack Petachi
as Brad Wilson
as Young Clemens
as Wilson Briggs
as Art Stinson
as Father Mark
as Big Bob Landers
as Tom
Series credits linked with Gavan O'Herlihy.
1 eps
as Hal Drucker • 1 eps
as George Arlington • 1 eps
as Maje Jabin • 1 eps
as John Garrideb / James Winter • 1 eps
as Cpt. Leroy • 1 eps
as Officer Preston King • 2 eps
as Richard • 1 eps
as Dan Suggs • 4 eps
1 eps
as Dan Maitland • 6 eps
1 eps
as John Garrideb / James Winter • 1 eps
as Julius P. Hersheimmer • 1 eps
as Michael Sheridan • 1 eps
as Capt Red Burwash • 1 eps
as Stanton • 2 eps
as David • 1 eps
1 eps
as Gordon Stuart • 1 eps
as Dan • 1 eps
as Chuck Cunningham • 8 eps
as Josh McBride (as Gavin O'Herlihy) • 1 eps
as Herb Frane • 1 eps