Cast
John Bentley
Superintendent Wills
Patrick Allen
Dr. Nelson Pollard
Jacqueline Ellis
Elsa Marlowe
Wilfrid Brambell
Lock-Keeper
John Glyn-Jones
Dr. Maurice Tarn
JM
Jane Murdoch
Honeymoon Wife
BM
Brian McDermott
Det. Sgt. Stillman
GA
Gerald Andersen
Major Paul Amery
EA
Edward Atienza
Clerk
Ric Young
Johnny Choto
Robert Lee
Mr. Nam Lee
Yvonne Buckingham
Miss Russell
William Gaunt
Mitch Hallam
MD
Michael Deacon
Angus
AL
Arnold Lee
Soyoki
John Horsley
Pathologist
Lesley Nunnerley
Vera Martin
MR
Malcolm Russell
Joe Martin
Yvonne Shima
Tamaya
KF
Keith Faulkner
Lock-keeper's Assistant
MT
Myo Toon
1st Chinese Man
SW
Sano Wong
2nd Chinese Man
Burt Kwouk
Captain Feng
TP
Timothy Parkes
Honeymoon Husband
HP
Howard Pays
Police Sgt.
PH
Peter Hager
Warden
Don McKillop
Reporter
Robert Russell
Uniformed Sgt.
SR
Steve Reagan
Police Constable
PPS
Ping Ping Sam
Instructor in Gym
Crew
Clive Donner
Directing
Edgar Wallace
Writing
BM
Bert Mason
Crew
PM
Peter Mullins
Art
DH
Derek Holding
Editing
Robert Banks Stewart
Writing
CB
Charles Blackwell
Sound
Jim O'Connolly
Production
JG
Jack Greenwood
Production
RC
Ronnie Curtis
Production
HF
Hilda Fox
Costume & Make-Up
AM
Aldo Manganaro
Costume & Make-Up
JL
Joe Levy
Production
BP
Bert Pearl
Directing
RA
Ronald Abbott
Sound
MSD
Michael Shah Dayan
Sound
SR
Sidney Rider
Sound
HS
Herbert Smith
Camera
EW
Eileen Welch
Costume & Make-Up