Skip to main content
Photo of Gavan O'Herlihy, Acting
Actor

Gavan O'Herlihy

Acting

Career Snapshot

Explained

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.

Movies: 26Series: 24

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

Biography

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.

Photos

Photo of Gavan O'Herlihy from the Latest Netflix gallery
Photo of Gavan O'Herlihy from the Latest Netflix gallery
Photo of Gavan O'Herlihy from the Latest Netflix gallery
Series

Series

Series credits linked with Gavan O'Herlihy.

Series poster for 18 Wheels of Justice (2000)

1 eps

18 Wheels of Justice

2000 Series
Series poster for Jonathan Creek (1997)

as Hal Drucker • 1 eps

Jonathan Creek

1997 Series
Series poster for Midsomer Murders (1997)

as George Arlington • 1 eps

Midsomer Murders

1997 Series
Series poster for Star Trek: Voyager (1995)

as Maje Jabin • 1 eps

Star Trek: Voyager

1995 Series
Series poster for The Memoirs of Sherlock Holmes (1994)

as John Garrideb / James Winter • 1 eps

The Memoirs of Sherlock Holmes

1994 Series
Series poster for Sharpe (1993)

as Cpt. Leroy • 1 eps

Sharpe

1993 Series
Series poster for Twin Peaks (1990)

as Officer Preston King • 2 eps

Twin Peaks

1990 Series
Series poster for Tales from the Crypt (1989)

as Richard • 1 eps

Tales from the Crypt

1989 Series
Series poster for Lonesome Dove (1989)

as Dan Suggs • 4 eps

Lonesome Dove

1989 Series
Series poster for China Beach (1988)

1 eps

China Beach

1988 Series
Series poster for A Killing on the Exchange (1987)

as Dan Maitland • 6 eps

A Killing on the Exchange

1987 Series
Series poster for Cover Up (1984)

1 eps

Cover Up

1984 Series
Series poster for Sherlock Holmes (1984)

as John Garrideb / James Winter • 1 eps

Sherlock Holmes

1984 Series
Series poster for Agatha Christie's Partners in Crime (1983)

as Julius P. Hersheimmer • 1 eps

Agatha Christie's Partners in Crime

1983 Series
Series poster for Matt Houston (1982)

as Michael Sheridan • 1 eps

Matt Houston

1982 Series
Series poster for We'll Meet Again (1982)

as Capt Red Burwash • 1 eps

We'll Meet Again

1982 Series
Series poster for A Rumor of War (1980)

as Stanton • 2 eps

A Rumor of War

1980 Series
Series poster for The Amazing Spider-Man (1978)

as David • 1 eps

The Amazing Spider-Man

1978 Series
Series poster for The Bionic Woman (1976)

1 eps

The Bionic Woman

1976 Series
Series poster for Police Woman (1974)

as Gordon Stuart • 1 eps

Police Woman

1974 Series
Series poster for The Six Million Dollar Man (1974)

as Dan • 1 eps

The Six Million Dollar Man

1974 Series
Series poster for Happy Days (1974)

as Chuck Cunningham • 8 eps

Happy Days

1974 Series
Series poster for The Mary Tyler Moore Show (1970)

as Josh McBride (as Gavin O'Herlihy) • 1 eps

The Mary Tyler Moore Show

1970 Series
Series poster for Marcus Welby, M.D. (1969)

as Herb Frane • 1 eps

Marcus Welby, M.D.

1969 Series