"A detective gets involved with a wealthy socialite who can't seem to stop hiccuping."
Carol Marsh
as Susan Graham
David Tomlinson
as Nick Martin
Mervyn Johns
as Ernest Bennett
Richard Hearne
as Professor Pastry
Terry-Thomas
as Himself
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
Michael Balfour
as Barman
Johnny Briggs
as BBC Page Boy
Esma Cannon
as Autograph Huntress
Cyril Chamberlain
as Bit Part
Andrew Crawford
as First BBC Announcer
Valentine Dyall
as Man Telling Story at BBC
Danny Green
as Liftman
Kenneth Griffith
as Nick Martin's BBC Colleague
Anne Gunning
as Young Woman
James Hayter
as Inn Landlord
Glynis Johns
as Miranda Trewella
Michael Medwin
as Man Giving BBC Boxing Talk
Hal Osmond
as Radio Sound-Effects Man
Brian Oulton
as BBC Producer
Wally Patch
as BBC Commissionaire
Dennis Price
as Lord Byron
Basil Radford
as Maj. Bright
Harry Secombe
as Alf
Anthony Steel
as
David Ward
as Ghost
Michael Ward
as News Reader
Richard Wattis
as Compere of Nick Nack Show
Naunton Wayne
as Capt. Early
Ralph Thomas
Director
Jack Asher
Cinematography
Bernard Lewis
Camera Operator
Bob Wilson
Editor
Patrick Campbell
Writer
Antony Darnborough
Producer
Alfred Roome
Associate Producer
Francis Chagrin
Original Music Composer
John Elphick
Production Design
George Provis
Joan Ellacott
Costume Design
W.T. Partleton
Makeup Artist
William N. Boyle
Production Manager
Edward Joseph
Assistant Director
Bill Salter
Sound Recordist
B. C. Sewell
Sound Director
Sydney Wiles
Muir Mathieson
Music Director
Arthur Alcott
Production Controller
