Biography
Gerald Harper (15 February 1931 – 2 July 2025) was an English actor, best known for his work on television, having played the title roles in Adam Adamant Lives! (1966–67) and Hadleigh (1969–76). He then returned to his main love, the theatre. Harper was married to actress Jane Downs from 1957 until they divorced in 1975. In 2001, when he was in his early seventies, he began a relationship with 30-year-old actress Sarah Alexander; the relationship ended when she left him for actor Peter Serafinowicz in 2002.
Harper died at the age of 94 on 2 July 2025.
Filmography
Cast Credits

Verity Lambert: Drama Queen
Character:
MOVIE • 2008

The Lady Vanishes
Character: Todhunter
MOVIE • 1979

Princely Toys: One Man's Private Kingdom
Character: narrator
MOVIE • 1976
If It's a Man – Hang Up!
Character: Greg Miles
MOVIE • 1975

Thriller
Character: Greg Miles
TV • 1973

Hadleigh
Character: James Hadleigh
TV • 1969

The Shoes of the Fisherman
Character: Brian
MOVIE • 1968

The Champions
Character: Croft
TV • 1968

The Caesars
Character: Lucius Vitellius
TV • 1968

Gazette
Character: James Hadleigh
TV • 1968

Cilla
Character: Self
TV • 1968

Adam Adamant Lives!
Character:
TV • 1966

A Game of Murder
Character:
TV • 1966

Strangler's Web
Character: Inspector Murray
MOVIE • 1965
The Joe Baker Show
Character:
TV • 1965

Gideon's Way
Character: Deputy Commander Rae Cox
TV • 1965

Public Eye
Character: Raymond Franks
TV • 1965

Wonderful Life
Character: Sheik / Scotsman / Harold
MOVIE • 1964
The Protectors
Character: Hon. Arthur Keir
TV • 1964

The Punch and Judy Man
Character: 1st Drunk
MOVIE • 1963