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.
The Lady Vanishes
(Todhunter)
The League of Gentlemen
(Captain Saunders)
Tiger in the Smoke
(Walter "Duds" Morrison)
The Dam Busters
(RAF Officer (uncredited))
Strangler's Web
(Inspector Murray)
If It's a Man – Hang Up!
(Greg Miles)
The Punch and Judy Man
(1st Drunk)
Princely Toys: One Man's Private Kingdom
(narrator)
The Admirable Crichton
(Ernest)
The Shoes of the Fisherman
(Brian)
A Night to Remember
(3rd Officer - Carpathia)
Wonderful Life
(Sheik / Scotsman / Harold)
The Young Ones
(Watts)
Verity Lambert: Drama Queen
Tunes of Glory
(Major Hugo Macmillan)
Adam Adamant Lives!
Thriller
(Greg Miles)
Gideon's Way
(Deputy Commander Rae Cox)
The Avengers
(Colonel Corf)
The Champions
(Croft)
No Hiding Place
The Caesars
(Lucius Vitellius)
The Joe Baker Show
Hadleigh
(James Hadleigh)
Cilla
(Self)
A Game of Murder
Gazette
(James Hadleigh)
The Protectors
(Hon. Arthur Keir)
Public Eye
(Raymond Franks)
Out of This World
(Colonel Tanner)