Jack Watling
Mike Brewster
Carole Lesley
Susan
Renée Houston
Mrs. Gray
John Slater
Sid Johnson
Colin Gordon
Mitchell
L
Libby Morris
Trixie
Cardew Robinson
Micki
June Cunningham
Rosie
Ronald Adam
Judge
Ernest Clark
Colonel Drew
John Salew
Mr. Monkton
Vic Wise
Spider
Hugh Morton
Grant
J
Julian Orchard
Walker
T
Tony Thawnton
Costume Designer
L
Larry Taylor
Large Man
R
Ruth Lee
Receptionist
Johnny Vyvyan
Big Louis
J
Jeanne Moody
Barbara Drew
Marne Maitland
Eastern Gentleman
Gertan Klauber
Joe
A
Alf Dean
Enormous Man
Frank Forsyth
Barman
G
Geoffrey Denton
Counsel
J
John Watson
1st Inventor
Diana Chesney
Dowager (uncredited)
W
Walter Henry
Undercover Detective (uncredited)
Lance Percival
Stage Prompter (uncredited)