Joseph Cotten character Holly Martins
Alida Valli character Anna Schmidt
Orson Welles character Harry Lime
Trevor Howard character Major Calloway
Paul Hörbiger character Karl the Porter
Ernst Deutsch character 'Baron' Kurtz
Erich Ponto character Dr. Winkel
Siegfried Breuer character Popescu
Hedwig Bleibtreu character Anna's Landlady
Bernard Lee character Sergeant Paine
Wilfrid Hyde-White character Crabbin
Alexis Chesnakov character Col. Brodsky the Russian Liaison Officer (uncredited)
Thomas Gallagher character Taxi Driver (uncredited)
Herbert Halbik character Hänsel the Little Boy with Ball (uncredited)
Hannah Norbert character Actress at Josefstadt Theater (uncredited)
Eric Pohlmann character Waiter at Smolka's (uncredited)
Carol Reed character UK Version's Opening Narrator (uncredited)
Annie Rosar character The Porter's Wife (uncredited)
Frederick Schrecker character Hansel's Father (uncredited)
Hugo Schuster character Waiter (uncredited)
Karel Stepanek character Actor at Josefstadt Theater (uncredited)
Theodore Gottlieb character Man on Street (uncredited)
Jenny Werner character Dr. Winkel's Maid Hilde (uncredited)