Mickey Hargitay as Herbert Lyutak

Rita Calderoni as Marcia Lyutak

Raul Lovecchio as Inspector Edwards

Tano Cimarosa as John Lacey

Christa Barrymore as Joaquine

Carmen Young as Bonita (U.S. version only)

Marcello Bonini Olas as Barman

William Darni as Willy

Max Dorian as Richard

Stefania Fassio as First Victim

Stefano Oppedisano as Journalist

Cristina Perrier as Laurel

Katia Cardinali as Miss Heindrich