Helter Skelter

Susan Graham

Carol Marsh

Nick Martin

David Tomlinson

Ernest Bennett

Mervyn Johns

Professor Pastry

Richard Hearne

Self

Terry-Thomas

Dr. Edwards

Jimmy Edwards

Spencer Stone

Peter Hammond

Headwaiter

Jon Pertwee

Dr. B. Jekyll

Wilfrid Hyde-White

Major Basil Beagle

Peter Haddon

Humphrey Beagle

Geoffrey Sumner

Giselle

Zena Marshall

Chadbeater Longwick

Colin Gordon

Mrs. Martin

Judith Furse

Ezekial

Edmund Willard

The 'Duck' Man

Robert Lamouret

Lord Bruce Carlton

Henry Kendall

Oliver Cromwell

Bill Fraser

Cabaret Star

Shirl Conway

Temporary Waiter

George Benson

Receptionist

Sandra Dorne

Amber

Patricia Raine

Director General of the BBC (uncredited)

Ronald Adam

Barman (uncredited)

Michael Balfour

BBC Page Boy (uncredited)

Johnny Briggs

Autograph Huntress (uncredited)

Esma Cannon

(uncredited)

Cyril Chamberlain

First BBC Announcer (uncredited)

Andrew Crawford

Man Telling Story at BBC (uncredited)

Valentine Dyall

Liftman (uncredited)

Danny Green

Nick Martin's BBC Colleague (uncredited)

Kenneth Griffith

Young Woman (uncredited)

Anne Gunning

Inn Landlord (uncredited)

James Hayter

Miranda Trewella (uncredited)

Glynis Johns

Man Giving BBC Boxing Talk (uncredited)

Michael Medwin

Radio Sound-Effects Man (uncredited)

Hal Osmond

BBC Producer (uncredited)

Brian Oulton

BBC Commissionaire (uncredited)

Wally Patch

Lord Byron (archive footage) (uncredited)

Dennis Price

Maj. Bright (uncredited)

Basil Radford

Alf (uncredited)

Harry Secombe

(uncredited)

Anthony Steel

Ghost (uncredited)

David Ward

News Reader (uncredited)

Michael Ward

Compere of Nick Nack Show (uncredited)

Richard Wattis

Capt. Early (uncredited)

Naunton Wayne