- Rock Hudson
- Robert L. Talbot
- Gina Lollobrigida
- Lisa Helena Fellini
- Sandra Dee
- Sandy Stevens
- Bobby Darin
- Tony
- Walter Slezak
- Maurice Clavell
- Brenda de Banzie
- Margaret Allison
- Rossana Rory
- Anna
- Ronald Howard
- Spencer
- Joel Grey
- Beagle
- Ronnie Haran
- Sparrow
- Christopher Seitz
- Larry
- Cindy Conroy
- Julia
- Joan Freeman
- Linda
- Nancy Anderson
- Patricia
- Michael Eden
- Ron
- Claudia Brack
- Carol
- Nello Appodia
- Station Master
- Liliana Celli
- Seamstress
- Robert De Bernardis
- Bus Driver
- Pietro De Vico
- Poliziotto
- Liana Del Balzo
- Mother Superior
- Charles Fawcett
- Warren
- Betty Foa
- Elena
- Giacomo Furia
- Poliziotto
- Katherine Guilford
- Claire
- Franco Leasi
- (uncredited)
- Anna Maestri
- Maria - Maid
- Renato Malavasi
- Bit Part
- Edy Nogara
- Lisa's Maid
- Mimmo Poli
- Commissario
- Stella Rho
- Teresa - Maid
- Milko Skofic Jr.
- (uncredited)
- John Stacy
- Douglas
- Helen Stirling
- Katherine
- Francesco Tensi
- Robert's Secretary
- Milena Vukotic
- Melinda - Maid
