An amateur detective investigates a string of acid bath murders while on holiday.
John Laurie
Mr Potter
Hector Ross
Inspector Greenway
Molly Raynor
Catherine Campbell
Jack Stewart
Charles Lloyd Pack
Derek Sidney
Peter Bathurst
Vernon Gibb
John Wall
Director
Oscar Burn
Edwin J. Fancey
Producer
Frank Bevis
Production Manager
Cedric Williams
Lighting Camera
Bob Higgins
Editor
Jack Wilman
Peter Armsten
Makeup Artist
Don Russell
Art Direction
