• 
  Carol Reed

  regizor

• 
  Alexander Korda

  scenarist

• 
  Orson Welles

  Harry Lime
• 
  Joseph Cotten

  Holly Martins
• 
  Alida Valli

  Anna Schmidt
• 
  Charles Irwin

  Colonel O'Sullivan
• 
  Ernst Deutsch

  'Baron' Kurtz
• 
  Eric Pohlmann

  Waiter at Smolka's

• 
  Carol Reed

  Opening narrator (UK version)
• 
  Karel Stepanek

  Actor at Josefstadt Theater
• 
  Martin Boddey

  Russian Military Policeman
• 
  Wilfrid Hyde-White

  Crabbin
• 
  Leo Bieber

  Barman (Casanova)
• 
  Geoffrey Keen

  British Military Policeman
• 
  Paul Horbiger

  Karl - Harry's Porter

• 
  Siegfried Breuer

  Popescu
• 
  Trevor Howard

  Major Calloway
• 
  Lee Strasberg

  MP
• 
  Paul Birch

  Military Policeman
• 
  Bernard Lee

  Sergeant Paine
• 
  Erich Ponto

  Dr. Winkel
• 
  Reed De Rouen

  American Military Policeman at Railroad Station
• 
  Hedwig Bleibtreu

  Anna's Old Landlady