Credits

• 2016 · FantastiCozzi as (archive footage)
• 2016 · The Man Who Knew Infinity as Vice Master Henry Jackson
• 2015 · Beloved Days as
• 2014 · Radiator as Leonard
• 2013 · The Man on the Moor as Joe Adams
• 2013 · The Other Child as Chad Beckett
• 2012 · The Bleak Old Shop of Stuff as Uncle Writes Prompt Thank You Cards
• 2008 · The Boy in the Striped Pyjamas as Grandpa
• 2007 · The Raven as Narrator / The Raven (voice)
• 2007 · Lewis as Augustus Mortmaigne
• 2006 · Scoop as Mr. Quincy
• 2005 · Wallis & Edward as Stanley Baldwin
• 2005 · Whatever Love Means as Lord Mountbatten
• 2005 · The Robinsons as
• 2004 · Doc Martin as
• 2003 · Danny Deckchair as Passerby
• 2003 · The Royal as
• 2003 · The Royal as Johnny Lomax
• 2002 · Spooks as Bernard Qualtrough
• 2001 · Waking the Dead as Dr. Raymond Parke
• 2001 · Lara Croft: Tomb Raider as Distinguished Gentleman
• 2001 · The Whistle-Blower as Sir Alastair Montgomery
• 2000 · Happy Days as Willie
• 1999 · Milk as John
• 1997 · Midsomer Murders as Rex Masters
• 1996 · Breaking the Code as Dilwyn 'Dilly' Knox
• 1995 · Heavy Weather as Lord Tilbury
• 1995 · Kavanagh Q.C. as Lord Justice Fenwick
• 1992 · The Camomile Lawn as Oliver (older)
• 1992 · Duel of Hearts as Lord Belgrave
• 1991 · Murder Most Horrid as Rev. Charles Quentin
• 1991 · The Crucifer of Blood as Dr. Watson
• 1990 · Diving In as Richard Anthony
• 1990 · The Secret Life of Ian Fleming as Gen. Halmsden
• 1990 · Treasure Island as Squire Trelawney
• 1989 · Tales from the Crypt as Malcolm Lawson
• 1989 · Voice of the Heart as David Cunningham
• 1988 · A Man for All Seasons as Duke of Norfolk
• 1986 · Lady Jane as The Earl of Arundel
• 1985 · Turtle Diary as Mr. Johnson
• 1985 · Dempsey and Makepeace as Daish
• 1984 · What Waits Below as Ben Gannon
• 1984 · The Biko Inquest as Dr. Hersch
• 1984 · The Bill as
• 1984 · Murder, She Wrote as Lord Geoffrey Constable
• 1983 · The Aerodrome as Air Commander
• 1982 · Cymbeline as Cymbeline
• 1982 · The Kenny Everett Television Show as Various
• 1982 · The Best of Sex and Violence as (archive footage)
• 1981 · The Monster Club as Busotsky's Father
• 1980 · Magnum, P.I. as
• 1980 · The Marquise as Count Raoul de Vriac
• 1980 · Haywire as Kenneth Wagg
• 1980 · Portrait of a Rebel: The Remarkable Mrs. Sanger as Havelock Ellis
• 1980 · A Nightingale Sang In Berkeley Square as Inspector Watford
• 1979 · The Great Alligator as Prophet Jameson
• 1979 · The Flame Is Love as Narrator
• 1979 · Before and After as Waiter Les
• 1979 · Hart to Hart as Alex Constantine
• 1979 · Zombie Flesh Eaters as Dr. David Menard
• 1979 · Tales of the Unexpected as James
• 1979 · Tales of the Unexpected as Tanner
• 1979 · Tales of the Unexpected as Parnell
• 1979 · Island of the Fishmen as Edmond Rackham
• 1978 · BBC Television Shakespeare as
• 1978 · Brutes and Savages as Narrator
• 1978 · The Comeback as Psychiatrist
• 1978 · The Four Feathers as Abou Fatma
• 1976 · Origins of the Mafia as Narrator (voice)
• 1976 · The Last Concert as Richard Lasky
• 1976 · Aces High as Major Lyle
• 1975 · Hennessy as Insp. Hollis
• 1975 · Space: 1999 as Lee Russell
• 1975 · The Night Child as Michael Williams
• 1975 · Antony and Cleopatra as Antony
• 1974 · Moses the Lawgiver as Erzähler-Stimme
• 1974 · Beyond the Door as Dimitri
• 1973 · Thriller as George Drew
• 1973 · Shakespeare or Bust as Himself
• 1971 · Sin as Orestes
• 1970 · Julius Caesar as Cassius
• 1970 · The 5th Day of Peace as John Miller
• 1969 · Some Girls Do as Hugh Drummond
• 1968 · Emma Hamilton as Horatio Nelson
• 1968 · A Twist of Sand as Geoffrey Peace
• 1968 · The Column as comandantul roman Tiberius
• 1968 · Oedipus the King as Creon
• 1967 · Danger Route as Jonas Wilde
• 1967 · The Rover as Real
• 1967 · Deadlier Than the Male as Hugh "Bulldog" Drummond
• 1966 · The Witch as Sergio Logan
• 1966 · Khartoum as Colonel Stewart
• 1965 · The Amorous Adventures of Moll Flanders as Jemmy
• 1965 · Operation Crossbow as Duncan Sandys
• 1964 · The Pumpkin Eater as Giles
• 1963 · The Haunting as Dr. John Markway
• 1963 · 80,000 Suspects as Dr. Steven Monks
• 1963 · Cairo as Ali
• 1963 · The Human Jungle as Jimbo
• 1962 · The Alfred Hitchcock Hour as Jarvis Smith
• 1959 · Never So Few as Capt. Danny De Mortimer
• 1956 · The Buccaneers as Pegleg
• 1953 · Saadia as Lt. Girard
• 1953 · The Oscars as Self
• 1952 · Lady in the Fog as Danny McMara - Hit-and-Run Victim
• 1952 · Pride and Prejudice as Mr. Wickham
• 1951 · Hallmark Hall of Fame as Claudius
• 1951 · Calling Bulldog Drummond as Control Tower Operator (uncredited)
• 1951 · Captain Horatio Hornblower as Macrae (uncredited)
• 2024 · Beyond the Door: 35 Years Later as Himself