(1970) Scrooge

as Bob Cratchit

(1966) A Man for All Seasons

as King's Messenger (uncredited)

(2010) Mission London

as Dean Carver

(1982) Tangiers

as Major Greville

(1972) For the Love of Ada

as Mr. Johnson

(1968) Joanna

as Critic

(1976) The Story of David

as Nathan

(1979) Julius Caesar

as Cassius

(1971) UFO: Red alert... Attack on Earth!

as Daniel Clark

(1973) Secrets

as Atkinson

(2013) The Invisible Woman

as Governor

(1966) Level Seven

as X.117

(1970) The Suicide Club

as James Morris

(1969) The Possessed

as Pyotr Verhovensky

(1975) Hennessy

as Covey

(1977) Doctor Who: The Robots of Death

as Poul

(1975) Doctor Who: Revenge of the Cybermen

as Vorus

(1968) Song of Summer

as Percy Grainger

(1995) Persuasion

as Mr. Shepherd

(1974) Mahler

as Hugo Wolfe

(1986) Theban Plays: Oedipus the King

as Chorus

(1978) The Thirty Nine Steps

as Tillotson

(1971) The Man in the Sidecar

as Tommy

(1979) The Outsider

as Maj. Nigel Percival

(1983) The Two Gentlemen of Verona

as Thurio

(1983) Doctor Who: Mawdryn Undead

as Mawdryn

(1978) Freedom of the Dig

as Lacey

(1982) Housewarming

as Alan

(2016) UFO From Earth to the Moon

as Self

(2012) The Sandmine Murders

as ---

(2008) The Ties That Bind Us

as Vorus / Mawdryn (archive footage)

(1977) Treasure Island

as Blind Pew

(1969) The Naked Sun

as R. Daneel Olivaw

(2009) Who Wants to Live Forever?

as Self

(1989) Through The Dragon's Eye

as ---

(1963) Doctor Who

as Vorus

(1971) Elizabeth R

as Sir Anthony Babington

(1981) Dark Towers

as ---

(1978) Monkey

as Voice of Monkey

(1963) Doctor Who

as Poul

(1987) The Ruth Rendell Mysteries

as Michael Sunderton

(1989) Press Gang

as Mr. Winters

(1978) Blake's 7

as Deva

(1975) The Fight Against Slavery

as William Wilberforce

(1985) Miss Marple: A Murder Is Announced

as Reverend Harmon

(1965) Gideon's Way

as Alan Campbell-Gore

(1965) Thirty-Minute Theatre

as Sverdlov

(1980) Juliet Bravo

as Paul Pringle

(1977) The Professionals

as Frank Turner

(1970) UFO

as Daniel Clark

(1969) Strange Report

as John Anders

(1991) The Darling Buds of May

as Mr. Dawlish

(1965) Thirty-Minute Theatre

as Cyril

(1974) Playhouse

as Alan

(1969) Sinister Street

as Henry Meats

(1965) Londoners

as Alan West

(1990) The Chief

as David Anson

(1980) Breakaway

as Dr. Tucker

(1975) The Love School

as John Ruskin

(1973) Black and Blue

as Atkinson

(1980) A Tale of Two Cities

as John Barsad

(1963) Doctor Who

as Mawdryn

(1979) Sapphire & Steel

as Silver

(1964) Theatre 625

as Gabriel Braithwaite