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Cesar Romero as Philip 'Phil' O'Dell |
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Bernadette O'Farrell as Heather McMara |
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Lois Maxwell as Margaret 'Peggy' Maybrick |
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Geoffrey Keen as Christopher Hampden |
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Campbell Singer as Inspector Rigby |
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Alastair Hunter as Det. Sgt. Reilly |
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Mary Mackenzie as Marilyn Durant |
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Lloyd Lamble as Martin Sorrowby |
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Frank Birch as Boswell - Airport Manager |
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Wensley Pithey as Sid - Bartender |
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Reed De Rouen as Connors |
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Peter Swanwick as Smithers |
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Richard Johnson as Danny McMara - Hit-and-Run Victim |
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Bill Fraser as Sales Manager |
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Lisa Lee as Donna Devore |
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Lionel Harris as Allan Mellon |
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Betty Cooper as Dr. Campbell - Asylum Superintendent |
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Clare James as Miss Andrews - Asylum Receptionist |
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Katie Johnson as Mad Mary - Old Inmate at Murder Scene |
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Jacques Cey as Head Waiter |
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Jean Bayless as Delmont Switchboard Operator (as Jean Bayliss) |
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Stuart Nichol as Steve |
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Marguerite Brennan as Desk Clerk at Heather's Apartment |
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Robert Adair as John - Film Director |
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Terry Carney as Minor Role (uncredited) |
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Robert Dorning as Airline Reservations Clerk (uncredited) |
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Josephine Douglas as Nurse at Glenhaven Sanatorium (uncredited) |
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Christina Forrest as Minor Role (uncredited) |
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Jack Howarth as Minor Role (uncredited) |
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Robert Moore as Minor Role (uncredited) |
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Stuart Saunders as Police Sergeant (uncredited) |
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Dorinda Stevens as Girl at Film Studio (uncredited) |
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Hazel Sutton as Minor Role (uncredited) |
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Larry Taylor as Hospital Attendant (uncredited) |
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James Ure as Airline Reservations Clerk (uncredited) |
| Directing | Sam Newfield | Director |
| Camera | Moray Grant | Camera Operator |
| Costume & Make-Up | Bill Griffiths | Hairstylist |
| Costume & Make-Up | Philip Leakey | Makeup Artist |
| Production | Anthony Hinds | Producer |
| Production | Michael Carreras | Casting |
| Sound | Ivor Slaney | Music |
| Art | C. Wilfred Arnold | Art Direction |
| Directing | Renée Glynne | Script Supervisor |
| Camera | Walter J. Harvey | Director of Photography |
| Editing | James Needs | Editor |
| Writing | Lester Powell | Story |
| Sound | Bill Salter | Sound |
| Sound | Muir Mathieson | Music Director |
| Writing | Orville H. Hampton | Screenplay |
