• 
  Ingmar Bergman

  Voice on the Radio
• 
  Gunnar Björnstrand

  Învăţător
• 
  Alf Kjellin

  Jan-Erik Widgren
• 
  Stig Olin

  Sandman
• 
  Hilda Borgstrom

  Caligula's mother
• 
  Stig Jarrel

  Caligula
• 
  Gunnar Björnstrand

  Învăţător
• 
  Arne Ragneborn

  Göterstam, student

• 
  Nils Hultgren

  Învăţător
• 
  Birger Malmsten

  Kreutz - Student
• 
  Mai Zetterling

  Bertha Olsson
• 
  Palle Granditsky

  Krefler, student
• 
  Märta Arbin

  Mrs. Widgren
• 
  Hugo Björne

  Doctor Nilsson
• 
  Gösta Cederlund

  Pippi

• 
  Jan Molander

  Pettersson
• 
  Anna Olin

  Aunt Elisabeth (scenes deleted)
• 
  Olav Riégo

  Mr. Widgren
• 
  Olof Winnerstrand

  The Headmaster
• 
  Gunnar Carlsson

  Student