

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.
26 movies · 24 shows

The Descent: Part 2
2009·6.0

Cruise of the Gods
2002·5.0

Butterfly Man
2002·4.6

Sharpe: The Legend
1997·6.1

Prince Valiant
1997·5.2

Top of the World
1997·5.2

The Shooter
1995·4.8

The Last Outlaw
1993·5.4

Sharpe's Eagle
1993·7.2

Conagher
1991·6.7

Red King, White Knight
1989·6.4

Willow
1988·7.0

Death Wish 3
1985·6.2

The Dirty Dozen: Next Mission
1985·6.3

Space Riders
1984·5.5

The Secret Adversary
1983·6.9

Never Say Never Again
1983·6.1

Superman III
1983·5.5

Mark Twain: Beneath the Laughter
1979·9.0

A Wedding
1978·6.3

Sergeant Matlovich vs. the U.S. Air Force
1978·4.4

A Death in Canaan
1978·5.3

The Ghost of Cypress Swamp
1977·7.0

The California Kid
1974·6.3

The Healers
1974·9.0

Call to Danger
1973·9.0