Bibi Andersson

Karin Ullman

Robert Stack

David Frasier

James Farentino

Bruno Cardini

Annie Girardot

Liliana

Didi Perego

Bruno's Girl Friend

Mario Nascimbene

Prof Ferrara

Francesco Mulè

Manzetti (as Francesco Mulé)

Frank Sundström

Mr. Ullman

Toivo Pawlo

Rushenov

Beppe Wolgers

Fahlen

Birgitta Valberg

Mrs. Ullman

Cathy Riney

Cathy

Erika Rosell

Sissi

Ted Gärdestad

Swedish Boy Playing Accordion (uncredited)

Kenneth Gärdestad

Swedish Guy Playing Guitar (uncredited)

Leonardo Bercovici