as Kurt / Martin Vest
as Cirkusdirektør Karla
as Laurits 'Laust' Jeppesen
as Bodil Nielsen
as Onkel Hans
as Frank Otto Munk - ingeniør
as René
as Marianne - artist
as Jack Hviid
as Rosa 'Anita' Mogensen
as Kvinde i merkanteri
as Kurts mor (as Alma Olander Dam)
as Sorte Henrik
as Læge
as Fru Hviid
as Kommandør
as Cirkusdreng
as Cirkuspige
as Dreng
as Klarinetspiller
as Toldbetjent
as Toldbetjent
as Martins Hund