
Gavan O'Herlihy
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.
Filmography

The Descent: Part 2
2009
as Vaines

Cruise of the Gods
2002
as Mickey

Butterfly Man
2002
as Bill Kincaid

Sharpe: The Legend
1997
as Leroy

Prince Valiant
1997
as King Thane

Top of the World
1997
as Lieutenant Logan

The Shooter
1995
as Dick Powell

The Last Outlaw
1993
as Marshal Sharp

Sharpe's Eagle
1993
as Captain Thomas Leroy

Conagher
1991
as Chris Mahler, Cowboy

Red King, White Knight
1989
as Clancy

Willow
1988
as Airk

Death Wish 3
1985
as Manny Fraker

The Dirty Dozen: Next Mission
1985
as Conrad E. Perkins

Space Riders
1984
as Ron Harris

The Secret Adversary
1983
as Julius P. Hersheimmer

Never Say Never Again
1983
as Jack Petachi

Superman III
1983
as Brad Wilson

Mark Twain: Beneath the Laughter
1979
as Young Clemens

A Wedding
1978
as Wilson Briggs

Sergeant Matlovich vs. the U.S. Air Force
1978
as Art Stinson

A Death in Canaan
1978
as Father Mark

The Ghost of Cypress Swamp
1977
as Big Bob Landers

The California Kid
1974
as Tom