Love Actually (2003) Standing Room Only (2002) Harry Potter and the Chamber of Secrets (2002) .... Professor Severus Snape

Search for John Gissing, The (2001) .... John Gissing

Billy Elliot Boy, The (2001) (TV) (archive footage) .... Himself
... aka Omnibus: The Billy Elliot Boy (2001) (TV) (UK: series title)

Harry Potter and the Sorcerer's Stone (2001) .... Professor Severus Snape
... aka Harry Potter and the Philosopher's Stone (2001) (International: English title) (UK)
... aka Harry Potter and the Sorcerer's Stone (2001) (USA)

We Know Where You Live (2001) (TV) .... Yorkshireman
... aka Amnesty International's We Know Where You Live Live! (2001) (TV) (UK: complete title)

Blow Dry (2001) .... Phil Allen
... aka Über kurz oder lang (2001) (Germany)

Play (2000) .... Man

Victoria Wood with All the Trimmings (2000) (TV) .... Captain George Fallon

Hjælp, jeg er en fisk (2000) (voice) .... Joe
... aka Help I'm a Fish (2000)
... aka Hilfe! Ich bin ein Fisch (2001) (Germany)

Dark Harbor (1999) .... David Weinberg

Galaxy Quest (1999) .... Alexander 'Alex' Dane/Dr. Lazarus

Dogma (1999) .... Metatron

Judas Kiss (1998) .... Detective David Friedman

Winter Guest, The (1997) (uncredited) .... Man in street, Directed and wrote

Michael Collins (1996) .... Eamon De Valera

Rasputin (1996) (TV) .... Grigori Rasputin

Lumière et compagnie (1995) .... (segment "John Boorman")
... aka Lumiere y compañía (1996) (Spain)
... aka Lumière and Company (1995)

Sense and Sensibility (1995) .... Colonel Brandon

Awfully Big Adventure, An (1995) .... P.L. O'Hara

Mesmer (1994) .... Franz Anton Mesmer

"Fallen Angels" (1993) TV Series .... Dwight Billings (Murder, Obliquely)

Victoria Wood's All Day Breakfast (1992) (TV) .... Himself

Bob Roberts (1992) .... Lukas Hart III

Close My Eyes (1991) .... Sinclair

Robin Hood: Prince of Thieves (1991) .... George, Sheriff of Nottingham

Truly Madly Deeply (1991) .... Jamie

Closet Land (1991) .... Interrogator

Quigley Down Under (1990) .... Elliott Marston, Owner Marston Waters Ranch
... aka Quigley (1990) (Australia)
... aka Quigley Down Under (1990) (Australia)

Revolutionary Witness (1989) (TV) .... Jacques Roux (segment "The Preacher")

Spirit of Man (1989) (TV) .... Israel Yates (segment "From Sleep and Shadow")

January Man (1989) .... Ed

Die Hard (1988) .... Hans Gruber

"Barchester Chronicles, The" (1984) (mini) TV Series .... Rev. Obadiah Slope

"Smiley's People" (1982) (mini) TV Series .... Brownlow

"Thérèse Raquin" (1980) (mini) TV Series .... Vidal

Romeo and Juliet (1978) (TV) .... Tybalt
... aka Complete Dramatic Works of William Shakespeare: Romeo and Juliet, The (1978) (TV) (USA: video title)