Florinda Bolkan

Carol Hammond

Acting

Stanley Baker

Inspector Corvin

Acting

Jean Sorel

Frank Hammond

Acting

Silvia Monti

Deborah

Acting

Alberto de Mendoza

Sergeant Brandon

Acting

Penny Brown

Jenny

Acting

Mike Kennedy

Hubert

Acting

Ely Galleani

Joan Hammond

Acting

George Rigaud

Dr. Kerr

Acting

Ezio Marano

Lowell - Scientific Squad

Acting

Franco Balducci

McKenna

Acting

Luigi Antonio Guerra

Policeman

Acting

Erzsi Paál

Mrs. Gordon

Acting

Gaetano Imbró

Policeman

Acting

Leo Genn

Edmond Brighton

Acting

Anita Strindberg

Julia Durer (uncredited)

Acting

Tony Adams

Policeman (uncredited)

Acting

Jean Degrave

St. Paul's Clinic Director (uncredited)

Acting

Basil Dignam

Commissioner McCloud (uncredited)

Acting

Ursel Eberz

Policewoman Beth (uncredited)

Acting

Piero Nistri

Mrs. Gordon's Chauffeur (uncredited)

Acting

Fred Wood

Train passenger

Acting

John Clifford

Train Passenger (uncredited)

Acting

Lew Hooper

Policeman (uncredited)

Acting

George Spence

Train Passenger (uncredited)

Acting

Rita Tobin-Weske

Train Passenger (uncredited)

Acting

Jack Armstrong

Acting

Fred Wood

Acting