Rolv Wesenlund as Mannen som ikke kan le

Birgitta Andersson as Hans svenske kjæreste

Harald Heide-Steen Jr. as Psykiateren

Thea Stabell as Sykepleiersken

Wenche Myhre as Sängerin

Martin Ljung as Som seg selv / himself

Sverre Wilberg as Mandrake

Arve Opsahl as Himself

Alf Prøysen as Tilskuer på låven

Bjørn Sand as Komikeren

Bengt Calmeyer as Intervjueren

Stein Mehren as Som seg selv / himself

Per Øivind Heradstveit as Intervjuer på TV

Nora Brockstedt as

Tito Pannaggi as Annoyed young man at the cinema (uncredited)

Ole Ellefsæther as

Oddvar Folkestad as

Elisabeth Granneman as

Odd Grythe as

Leif Juster as

Thorleif Karlsen as

Kjell Kaspersen as

Lill-Babs as

Elsa Lystad as

Rolf Just Nilsen as

Thore Skogman as

Carl Henrik Størmer as

Sølvi Wang as

Svein Wickstrøm as