Flavio Bucci

Blackie

Macha Méril

The Lady on the Train

Gianfranco De Grassi

Curly

Enrico Maria Salerno

Prof. Giulio Stradi

Marina Berti

Laura Stradi

Irene Miracle

Margaret Hollenbach

Laura D'Angelo

Lisa Stradi

Franco Fabrizi

The Voyeur on the Train

Dalila Di Lazzaro

Nurse Pauline (uncredited)

Rita Moscatelli

Marie (uncredited)

Karl-Heinz Peters

Margaret's Father (uncredited)

Giovanni Di Benedetto

Intellectual on the Train

Selan Karay

Navy Officer on the Train (uncredited)

Alberto Squillante

Joe (uncredited)

Richard Davis

Santa Victim (uncredited)

Aldo Lado