Hugo Dill

Benny Hill

Frankie Mayne

Belinda Lee

Zacco

David Kossoff

Det. Insp. Hancock

Garry Marsh

Sir Walter Finch

Ernest Thesiger

Barakov

George Margo

Professor Stumpf

Denis Shaw

Gruber

Frederick Schiller

Raymond Courtney

Thorley Walters

Customer (uncredited)

Irene Handl

Police Constable Coleman

Stratford Johns

Himself

Jeremy Hawk

Police Constable Roberts

Warwick Ashton

Scientist

Nicholas Phipps

The Actress

Norah Blaney

Scientist

Gibb McLaughlin

Frankie's Agent

Philip Stainton

Scientist

Ernest Jay

Disc Jockey

Charles Hawtrey

Scientist

Harold Scott

Scientist

Peter Bull

Radio Show Official (uncredited)

Terence Alexander

Shop demonstrator (uncredited)

Arthur Lowe

Man (uncredited)

Robert McDermott

Arresting Policeman (uncredited)

Glyn Houston

Man Entering Radio Show (uncredited)

Chris Adcock

Sir Walter Finch

Ernst Thesiger

Otto Stumpf

Dennis Shaw

'Your Birthday Wish' Audience (uncredited)

Paul Beradi

Police Sergeant at Uralian Legation (uncredited)

John Boxer

Shop Assistant (uncredited)

Ronnie Brody

Radio Show Attendee (uncredited)

Jess Conrad

'Your Birthday Wish' Audience / Radio Show Attendee (uncredited)

Arthur Dibbs

Fingerprint Man at Uralian Legation (uncredited)

Richard Duke

Radio Show Attendee (uncredited)

Mabel Etherington

'Your Birthday Wish' Audience (uncredited)

Chick Fowles

'Your Birthday Wish' Audience (uncredited)

Rex Garner

Pringle (uncredited)

Harold Goodwin

Ice Show Singer (uncredited)

Lucy Griffiths

Man Outside Gun Shop (uncredited)

Pat Hagan

'Your Birthday Wish' Audience (uncredited)

Victor Hagan

Detective at Uralian Legation (uncredited)

Patrick Halpin

Radio Show Attendee (uncredited)

Jack Hetherington

Stage-Door Keeper (uncredited)

Vincent Holman

TV Technician at Radio Show (uncredited)

Lindsay Hooper

Police Constable in Gun Shop (uncredited)

Arthur Howell

'Your Birthday Wish' Audience (uncredited)

Anthony Lang

Police Dispatcher (uncredited)

Fred Machon

Waiter at Royal Scientific Society (uncredited)

Louis Matto

Radio Show Guard (uncredited)

Colin McKenzie

Police Constable in Gun Shop (uncredited)

Fred Nicholas

TV Reporter at Radio Show (uncredited)

Derek Prentice

Mr. Ponting (uncredited)

Keith Pyott

'Your Birthday Wish' Audience (uncredited)

Charles Rayford

Man Watching Tank Demonstration (uncredited)

Ernie Rice

Police Station Sergeant (uncredited)

Arthur Rigby

Mrs. Ponting (uncredited)

Doris Rogers

Radio Show Attendee (uncredited)

Pat Ryan

Police Sergeant Outside Gun Shop (uncredited)

Charles Saynor

Fight Bystander (uncredited)

Ian Selby

Refrigeration Plant Worker (uncredited)

Cyril Smith

Police Radio Announcer (uncredited)

Ewen Solon

Ice Rink Sweeper (uncredited)

George Spence

Policeman (uncredited)

Guy Standeven

Audience Member (uncredited)

Philip Stewart

Fight Bystander (uncredited)

Fred Stroud

Police Officer in Patrol Car (uncredited)

Richard Thorp

Man in Office Hallway (uncredited)

Harry Van Engel

Ice Show Stage Manager (uncredited)

Meadows White

'Your Birthday Wish' Audience (uncredited)

John Wilder

'Your Birthday Wish' Audience (uncredited)

Billy Wilmot

Irritated Café Customer (uncredited)

Doris Yorke