Holger Löwenadler
— Captain Alexander Blom
Anna Lindahl
— Alice Blom
Birger Malmsten
— Johannes Blom
Gertrud Fridh
— Sally
Naemi Briese
— Selma
Hjördis Petterson
— Sofi
Lasse Krantz
— Hans
Jan Molander
— Bertil
Erik Hell
— Pekka
Åke Fridell
— Variety Hall Manager
Ingrid Borthen
— Girl on the Street (uncredited)
Peter Lindgren
— A Foreign Crew Member (uncredited)
Rolf Bergström
— Alexander's Sidekick (1) (uncredited)
Gustaf Hiort af Ornäs
— Alexander's Sidekick (2) (uncredited)
Amy Aaröe
— Young Girl at the Beach (uncredited)
Gunnar Nielsen
— Young Man at the Beach (uncredited)
Svea Holst
— A Woman at the Arrest of Alexander (uncredited)
Kiki
— The Dwarf on the Variety Show (uncredited)
Uno Larsson
— Elderly Man with Glasses and Hat at the Funfair (uncredited)
Ingmar Bergman
— Man in Beret at Fairground (uncredited)
Charles White
— Black Crewman (uncredited)
John W. Björling
— An Older Man on the Variety Show Stage (uncredited)
Rosalie Björklund
— A Girl (uncredited)
Torgny Anderberg
— A Man (uncredited)