On screen
Cast
54 credited performers
Alastair Sim
Professor Ernst Kronak
Fred Emney
Sir George Denberry-Baxter
Edward Rigby
Timmy Tiverton
Oliver Wakefield
Sir Reginald Foxfield
Patricia Roc
Hope Ollerton
Annie Esmond
Lady Foxfield
Marian Spencer
Lady Shepshod
Olive Sloane
Daisy Barley
Maire O'Neill
Mrs. Mitterley
Gus McNaughton
Ketley
Charles Hawtrey
Young Orton
Peter Gawthorne
Major Shiptonthorpe
Aubrey Mallalieu
Commander Spofforth
G.H. Mulcaster
Inspector
Wally Patch
Sam
Horace Kenney
Walter Shepton
Morris Harvey
Jim Flagg
Ida Barr
Katie
Spencer Trevor
Colonel Hazelhead
Peter Ustinov
Dr. Bentika
Robert Atkins
Hassock
Diana Beaumont
Secretary
Syd Crossley
Uncle Alfred
A. Bromley Davenport
Agent
Charles Doe
Mayor
Alexander Field
Packles Junior
Ian Fleming
United Plastics Barrister
Richard George
Tom Largs
Leopold Glasspoole
Pelham
Michael Martin Harvey
Handover
W.T. Holland
Character not listed
David Keir
Mr. Finningley
Henry B. Longhurst
Bald-headed Man with Blonde
Eliot Makeham
Town Clerk
George Merritt
Police Sergeant
Mignon O'Doherty
Dr. Buckley
Stan Paskin
Attendant
Maurice Rhodes
Character not listed
Alan Tomkins
Character not listed
Sam Wilkinson
Character not listed
Joss Ambler
Character not listed
Frank Atkinson
Character not listed
Cecil Bevan
Character not listed
Beckett Bould
Character not listed
Laurence Hanray
Character not listed
Raymond Lovell
Character not listed
Arthur Maude
Character not listed
Billy Merson
Character not listed
Leonard Sharp
Doorman at 'Dog and Bell'
Robert Brooks Turner
Character not listed
Charles Victor
Character not listed
Jack Vyvyan
Police Constable
H Victor Weske
Character not listed
Ben Williams
Character not listed