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