Acting

2018		Johnny English Strikes Again as Agent Nine
2018		An Ideal Husband as Earl of Caversham

2015

as Thornton

2014		Richard Attenborough: A Life in Film as Self
2014		Katherine of Alexandria as Emperor Constantius

2013

as Winston Churchill

2007

as All

2005

as Hulton

2004		The Republic Of Love as Richard
2004		Stage Beauty as Sir Edward Hyde

2002		Nicholas Nickleby as Sir Mulberry Hawk
2002		The Importance of Being Earnest as Lane

2001

as Aitken

1998

as Businessman

1997		Forbidden Territory: Stanley's Search for Livingstone as Markham
1997		Prince Valiant as King Arthur

1996

as Archie

1995

as Major Wilshaw

1994

as Father

1993

as Major Luddington

1991		The Crucifer of Blood as Alistair Ross
1991		Robin Hood as Prince John
1991		They Never Slept as Monk Scott
1991		The Harmfulness of Tobacco
1991		The Strauss Dynasty as Metternich

1990		The Tale of Little Pig Robinson as Captain Barnabas/Butcher
1990		Circles Of Deceit as Philip

1989

as Major Benford

1987		A Hazard of Hearts as Lord Harry Wrotham
1987		Quartermaine's Terms as St John Quartermaine

1985		Wild Geese II as Alex Faulkner
1985		The Shooting Party as Lord Gilbert Hartlip

1984		The Bounty as Captain Greetham
1984		James Mason: The Star They Loved to Hate as Lord Gilbert Hartlip (archive footage) (uncredited)

1983		The Dresser as Oxenby
1983		Never Say Never Again as M

1982

as General Dyer

1980

as Inspector Dermot Craddock

1978		Edward & Mrs. Simpson as King Edward VIII
1978		The Cat and the Canary as Hendricks
1978		Force 10 from Navarone as Miller
1978		The Big Sleep as Joe Brody

1977		Shooting the Chandelier as Nikolai
1977		Soldier of Orange as Colonel Rafelli
1977		The Duellists as Colonel
1977		A Bridge Too Far as Lt. Gen. Brian G. Horrocks
1977		The Squeeze as Foreman

1976

as Captain Dancy, DSO

1975

as Cardinal Inquisitor

1974

as Dr. Watson

1973		A Doll's House as Nils Krogstad
1973		The Day of the Jackal as The Jackal

1972

as Pip

1971		A Midsummer Night's Dream as Lysander
1971		The Go-Between as Hugh Trimingham

1970		The Breaking of Bumbo as Horwood
1970		Skullduggery as Bruce Spofford

1969		Battle of Britain as Pilot Officer Archie
1969		Oh! What a Lovely War as Aide to Field-Marshal Haig
1969		Medieval England: The Peasants' Revolt as Sir John Newton

1967		I'll Never Forget What's'isname as Walter
1967		The Naked Runner as Ritchie Jackson
1967		The Jokers as Lt. Sprague

1966		The Frozen Dead as Norburg's Brother (Prisoner #3)
1966		Shotgun as David

1965

as Office Supervisor

1963		This Sporting Life as Restaurant Barman (uncredited)
1963		The Mind Benders as Stewart (uncredited)