Directors

Cast

Edward Underdown
Edward Underdown
Detective Inspector Viner
Maxwell Reed
Maxwell Reed
The Dark Man
Natasha Parry
Natasha Parry
Molly Lester
William Hartnell
William Hartnell
Superintendent of Police
Barbara Murray
Barbara Murray
Carol Burns
Robert Long
Robert Long
Charles Burns
Cyril Smith
Cyril Smith
Samuel Denny
Leonard White
Leonard White
Detective Sergeant Evans
Walter Horsbrugh
Walter Horsbrugh
Commander - Scotland Yard
Denis Webb
Denis Webb
Detective - Scotland Yard
John Derrick
John Derrick
Sergeant Wells - Scotland Yard
Gerald Andersen
Gerald Andersen
Inspector - Walsham Bay
Geoffrey Bond
Geoffrey Bond
Police Sergeant - Walsham Bay
Sam Kydd
Sam Kydd
Sergeant Major
Grace Denbigh Russell
Grace Denbigh Russell
Hotel Proprietress
David Keir
David Keir
Hotel Porter
Betty Cooper
Betty Cooper
Carol's Mother
Harry Fowler
Harry Fowler
1st Reporter
Oscar Quitak
Oscar Quitak
2nd Reporter
Gordon Bell
Gordon Bell
3rd Reporter
John Hewer
John Hewer
1st Taxi Driver
Gordon Littmann
Gordon Littmann
2nd Taxi Driver
Doris Yorke
Doris Yorke
Cafe Proprietress
Norman Claridge
Norman Claridge
Hospital Doctor
Fred Johnson
Fred Johnson
Hospital Porter
Ewen Solon
Ewen Solon
Police Driver
Duggie Ascot
Duggie Ascot
Property Man - Theatre
Digby Wolfe
Digby Wolfe
Young Man at Party
Howard Douglas
Howard Douglas
Man on Beach
Michael Hogarth
Michael Hogarth
Lighthouse Keeper
Daphne Anderson
Daphne Anderson
Fisherwoman
Carol Olver
Carol Olver
Small Girl
Robert Brown
Robert Brown
Policeman at Hospital, not listed in credits

Producers

Scriptwriters

Cinematography