
Acting
John Castle (born 14 January 1940) is an English actor. Castle has acted in theatre, film and television. He is well known for his role as Postumus in the 1976 BBC television adaptation of I, Claudius and for playing Geoffrey in the 1968 film, The Lion in Winter. He also played Dr. Carrasco as well as the prisoner called The Duke in the film Man of La Mancha.
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No One Believed Me
as Dan Ingre

The Tractate Middoth
as John Eldred

A Harlot's Progress
as Sir John Gonson
Princes in the Tower
as Dr. John Argentine
Trafalgar Battle Surgeon
as Gunner Rivers

Gods and Generals
as Old Penn

Hornblower: Retribution
as Captain Collins

Animated Epics: Beowulf
as Hygelac ( voice )

The Cater Street Hangman
as Rev. Prebble

The Heart Surgeon
as Charlie Hawkesmore

Fixer
1 ep.

Murder City
1 ep.

Spooks
as Jocelyn Myers · 2 ep.

A Dinner of Herbs
as Alfred Cottle · 3 ep.

CI5: The New Professionals
1 ep.

Midsomer Murders
as Charles King · 1 ep.

The Vanishing Man
as Moreau · 6 ep.

The Heart Surgeon
as Charlie Hawkesmore · 2 ep.

Silent Witness
1 ep.

Bramwell
as Guy Le Saux · 1 ep.
Man of La Mancha
1972