Carol Marsh
Susan Graham
Acting
David Tomlinson
Nick Martin
Acting
Mervyn Johns
Ernest Bennett
Acting
Richard Hearne
Professor Pastry
Acting
Terry-Thomas
Self
Acting
Jimmy Edwards
Dr. Edwards
Acting
Peter Hammond
Spencer Stone
Acting
Jon Pertwee
Headwaiter
Acting
Wilfrid Hyde-White
Dr. B. Jekyll
Acting
Peter Haddon
Major Basil Beagle
Acting
Geoffrey Sumner
Humphrey Beagle
Acting
Zena Marshall
Giselle
Acting
Colin Gordon
Chadbeater Longwick
Acting
Judith Furse
Mrs. Martin
Acting
Edmund Willard
Ezekial
Acting
Robert Lamouret
The 'Duck' Man
Acting
Henry Kendall
Lord Bruce Carlton
Acting
Bill Fraser
Oliver Cromwell
Acting
Shirl Conway
Cabaret Star
Acting
George Benson
Temporary Waiter
Acting
Sandra Dorne
Receptionist
Acting
Patricia Raine
Amber
Acting
Ronald Adam
Director General of the BBC (uncredited)
Acting
Michael Balfour
Barman (uncredited)
Acting
Johnny Briggs
BBC Page Boy (uncredited)
Acting
Esma Cannon
Autograph Huntress (uncredited)
Acting
Cyril Chamberlain
(uncredited)
Acting
Andrew Crawford
First BBC Announcer (uncredited)
Acting
Valentine Dyall
Man Telling Story at BBC (uncredited)
Acting
Danny Green
Liftman (uncredited)
Acting
Kenneth Griffith
Nick Martin's BBC Colleague (uncredited)
Acting
Anne Gunning
Young Woman (uncredited)
Acting
James Hayter
Inn Landlord (uncredited)
Acting
Glynis Johns
Miranda Trewella (uncredited)
Acting
Michael Medwin
Man Giving BBC Boxing Talk (uncredited)
Acting
Hal Osmond
Radio Sound-Effects Man (uncredited)
Acting
Brian Oulton
BBC Producer (uncredited)
Acting
Wally Patch
BBC Commissionaire (uncredited)
Acting
Dennis Price
Lord Byron (archive footage) (uncredited)
Acting
Basil Radford
Maj. Bright (uncredited)
Acting
Harry Secombe
Alf (uncredited)
Acting
Anthony Steel
(uncredited)
Acting
David Ward
Ghost (uncredited)
Acting
Michael Ward
News Reader (uncredited)
Acting
Richard Wattis
Compere of Nick Nack Show (uncredited)
Acting
Naunton Wayne
Capt. Early (uncredited)
Acting