Acting

2023

as Self (archive footage)

2021

as Self (archive footage)

2009

as Self (archive footage)

2003		Winter Solstice as Hughie McLellan
2003		Luther as Frederick
2003		Charlie Chaplin: The Forgotten Years as Self

2002		Salem Witch Trials as William Stroughton
2002		Schönbrunn - Well of Beauty as Presenter

2001

as König William IV.

2000		Deutschlandspiel as Igor Maximytschew
2000		My Khmer Heart as Self
2000		The Ten Commandments of Creativity as Self

1999		The Bachelor as Grandad
1999		Animal Farm as Old Major (voice)
1999		Alice in Wonderland as Walrus

1998		Alekan le magnifique as Self
1998		Stiff Upper Lips as Horace Wiggins

1996

as Entertainer

1995		Pierre et le Loup as Narrateur
1995		The Phoenix and the Magic Carpet as Grandfather / Phoenix (voice)
1995		The Old Curiosity Shop as Grandfather
1995		Paths of the Gods

1994		Salzburg Marionette Theatre: The Magic Flute as Narrator
1994		The Bible According to Hollywood as Self

1992

as Professor Nikolais

1991

as Self - Actor

1990		Max Ophüls - Den schönen guten Waren as Self
1990		There Was a Castle with Forty Dogs as Il veterinario

1989		Granpa as Granpa
1989		The French Revolution as Vicomte de Mirabeau

1988		The Secret Identity of Jack the Ripper as Self - Host
1988		Beethovens Zehnte as Beethoven
1988		Appointment with Death as Hercule Poirot
1988		An Audience with Peter Ustinov as Self
1988		Peep and the Big Wide World as Narrator (voice)

1987

as Narrator

1986		Murder in Three Acts as Hercule Poirot
1986		Riders of the Wind as Self - Narrator (voice)
1986		Dead Man's Folly as Hercule Poirot

1985

as Hercule Poirot

1984		Abgehört as Genosse Kuruk
1984		Memed My Hawk as Abdi Aga

1982		Imaginary Friends as Philip Lester
1982		Night of 100 Stars as Self
1982		Evil Under the Sun as Hercule Poirot
1982		The Making of Agatha Christie's 'Evil Under the Sun' as Hercuele Poirot

1981		Grendel Grendel Grendel as Grendel (voice)
1981		The Great Muppet Caper as Truck Driver
1981		Charlie Chan and the Curse of the Dragon Queen as Charlie Chan

1979		Through Joy and Beyond as Voice of C. S. Lewis
1979		Nuclear Nightmares as Himself
1979		Tarka the Otter as Narrator (voice)
1979		We'll Grow Thin Together as Victor Lasnier
1979		Ashanti as Suleiman
1979		Morte no Tejo
1979		Einstein's Universe as Himself

1978		Death on the Nile as Hercule Poirot
1978		Metamorphoses as Narrator (voice)
1978		The Thief of Baghdad as The Caliph
1978		Death on the Nile: Making of Featurette as Self / Hercule Poirot

1977		Double Murder as Harry Hellman
1977		The Mouse and His Child as Manny the Rat (voice)
1977		Summa Summarum - Sondersendung zu Heinz Rühmanns 75. Geburtstag
1977		The Mermaid Frolics as Self
1977		The Last Remake of Beau Geste as Sergeant Markov
1977		The Purple Taxi as Taubelman

1976		Kein Abend wie jeder andere as Antiquiätenhändler 'Billy's Kunstshop'
1976		Treasure of Matecumbe as Dr. Snodgrass
1976		Logan's Run as Old Man

1975

as Prince John/ Hnup Wan ''Hunp''

1973		Julie's Christmas Special as Santa Claus
1973		Robin Hood as Prince John - A Lion / King Richard (voice)

1972		Hammersmith Is Out as Doctor
1972		The Marshal of Madrid
1972		Big Truck and Sister Clare as Israeli Truck Driver

1971		Babar Comes to America as Narrator (voice)
1971		Gideon as Gideon

1970

as Abel Shaddick

1969

as General Maximilian Rodrigues De Santos

1968		The Story of Babar, the Little Elephant as Narrator / All voices (voice)
1968		Hot Millions as Marcus Pendleton / Caesar Smith
1968		Blackbeard's Ghost as Captain Blackbeard
1968		Diaghilev: The Years Abroad as Presenter

1967		The Comedians as Ambassador Manuel Pineda
1967		The Comedians in Africa as Self (uncredited)

1966

as Socrates

1965		Lady L as Prince Otto of Bavaria
1965		John Goldfarb, Please Come Home! as Fawz

1964		Topkapi as Arthur Simon Simpson
1964		The Peaches as Narrator (voice)

1963		Women of the World as English Narration (voice)
1963		Everyman as Narrator (English)

1962

as Edwin Fairfax Vere, Post Captain

1961

as The General

1960		The Sundowners as Rupert Venneker
1960		Spartacus as Lentulus Batiatus

1957		The Spies as Michel Kiminsky
1957		The Man Who Wagged His Tail as Mr. Bossi

1956

as The Storyteller

1955		Lola Montès as Circus Master
1955		We're No Angels as Jules

1954		Beau Brummell as principe di Galles
1954		The Egyptian as Kaptah

1953

as Mr. Wonderbird (voice)

1952		Le Plaisir as Narrator (uncredited) (voice) (English edit)
1952		The Magic Box as Industry Man

1951		Quo Vadis as Nero
1951		Hotel Sahara as Emad

1950

as Lt. Alex Rabinovich

1949

as Pvt. Angelo

1945

as Commentator

1944

as Rispoli

1943

as Keith

1942		The Goose Steps Out as Krauss
1942		One of Our Aircraft Is Missing as The Priest

1940

as Marinus van der Lubbe

Writing

1985

… Author

1984

… Writer

1969

… Writer

1968

… Writer

1965

… Writer

1962

… Screenplay

1961

… Writer

1960

… Screenplay

1949		Under Capricorn … Screenplay
1949		Private Angelo … Screenplay

1948

… Writer

1946

… Writer

1944

… Screenplay

1943

… Writer

Directing

1984

… Director

1972

… Director

1971

… Director

1965

… Director

1962

… Director

1961

… Director

1949

… Director

1948

… Director

1946

… Director

Production

1984

… Producer

1962

… Producer

1949

… Producer

1948

… Producer

1946

… Producer