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
C
Cathy Riney
Cathy
E
Erika Rosell
Sissi
Ted Gärdestad
Swedish Boy Playing Accordion (uncredited)
Kenneth Gärdestad
Swedish Guy Playing Guitar (uncredited)
D
Desi Gardena
Larry
D
Diana Lante
Ambassador's Wife
A
Anna Liotti
Nadia
M
Marco Raviart
T.V. Announcer
I
Ingela Rossell
Mrs. Fahlen
Gisella Sofio
Mrs. Curtis
Pippo Starnazza
Mario
Ornella Vanoni
Singer (voice)
Elsa Vazzoler
Luisa