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