Eric Portman
Victor James Colebrooke
Roland Culver
Chief Inspector Conway
Stanley Holloway
Sergeant Sullivan
Barbara Everest
Mrs Colebrooke
Bonar Colleano
Corporal Nick Mappolo
Jenny Laird
Jeannie McLaren
Bill Shine
Detective Ellis
John Salew
Detective Walters
George Carney
Boat Rental Agent
Mary Mackenzie
Girl at Fair
Wilfrid Hyde-White
Guide in Madame Tussaud's
Gerhard Kempinski
Head Waiter
Caven Watson
Underground Attendant
Wally Patch
Merry-Go-Round Barker
Frank Atkinson
Chip Shop Customer
Howard Douglas
Head Park Keeper
Alexander Field
First Newspaper Seller
Johnnie Schofield
Chip Shop Owner
