Gunnar Lauring
— Professor Edward Jacobsen
Vera Gebuhr
— Fru Wilhelmine Jacobsen
Elga Olga Svendsen
— Kokkepigen Kathrine
Johannes Meyer
— Professor Ferdinand Schrøder
Vivi Bak
— Therese Schrøder (as Vivi Bak)
Kjeld Petersen
— Slangetæmmer Hermansen
Dirch Passer
— Fotograf
Sigrid Horne-Rasmussen
— Faster Ragnhild Jacobsen
Ellen Nielsen
Kai Selliken
Eva Cohn
Anders Cohn
Poul Finn Poulsen
Susanne Randrup
Charlotte Stig-Poulsen
Alfred Wilken
Ingeborg Skov
Ole Monty
Johannes Marott
Povl Wøldike
Christian Jørgen Nielsen
Tao Michaëlis
Lise Thomsen
Karen Rud
Svend Bille
Mogens Brandt
