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)
