Helter Skelter

Carol Marsh

as Susan Graham

David Tomlinson

as Nick Martin

Mervyn Johns

as Ernest Bennett

Richard Hearne

as Professor Pastry

Terry-Thomas

as Self

Jimmy Edwards

as Dr. Edwards

Peter Hammond

as Spencer Stone

Jon Pertwee

as Headwaiter

Wilfrid Hyde-White

as Dr. B. Jekyll

Peter Haddon

as Major Basil Beagle

Geoffrey Sumner

as Humphrey Beagle

Zena Marshall

as Giselle

Colin Gordon

as Chadbeater Longwick

Judith Furse

as Mrs. Martin

Edmund Willard

as Ezekial

Robert Lamouret

as The 'Duck' Man

Henry Kendall

as Lord Bruce Carlton

Bill Fraser

as Oliver Cromwell

Shirl Conway

as Cabaret Star

George Benson

as Temporary Waiter

Sandra Dorne

as Receptionist

Patricia Raine

as Amber

Ronald Adam

as Director General of the BBC (uncredited)

Michael Balfour

as Barman (uncredited)

Johnny Briggs

as BBC Page Boy (uncredited)

Esma Cannon

as Autograph Huntress (uncredited)

Cyril Chamberlain

as (uncredited)

Andrew Crawford

as First BBC Announcer (uncredited)

Valentine Dyall

as Man Telling Story at BBC (uncredited)

Danny Green

as Liftman (uncredited)

Kenneth Griffith

as Nick Martin's BBC Colleague (uncredited)

Anne Gunning

as Young Woman (uncredited)

James Hayter

as Inn Landlord (uncredited)

Glynis Johns

as Miranda Trewella (uncredited)

Michael Medwin

as Man Giving BBC Boxing Talk (uncredited)

Hal Osmond

as Radio Sound-Effects Man (uncredited)

Brian Oulton

as BBC Producer (uncredited)

Wally Patch

as BBC Commissionaire (uncredited)

Dennis Price

as Lord Byron (archive footage) (uncredited)

Basil Radford

as Maj. Bright (uncredited)

Harry Secombe

as Alf (uncredited)

Anthony Steel

as (uncredited)

David Ward

as Ghost (uncredited)

Michael Ward

as News Reader (uncredited)

Richard Wattis

as Compere of Nick Nack Show (uncredited)

Naunton Wayne

as Capt. Early (uncredited)