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)
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)