Richard Johnson

Hugh Drummond

Daliah Lavi

Helga

Beba Lončar

Pandora

James Villiers

Carl Petersen

Vanessa Howard

Robot No. 7

Maurice Denham

Mr. Mortimer

Robert Morley

Miss Mary

Sydne Rome

Flicky

Adrienne Posta

Drummond's Daily

Florence Desmond

Lady Manderley

Ronnie Stevens

Peregrine Carruthers

Virginia North

Robot No. 9

Nicholas Phipps

Lord Dunnberry

Yutte Stensgaard

Robot No. 1

George Belbin

Maj. Newman

Richard Hurndall

President of Aircraft Company

Marga Roche

Birgit

Douglas Sheldon

Kruger

Maria Aitken

Robot Flight Attendant (uncredited)

Bob Anderson

Senior Aerodynamics Engineer (uncredited)

Peter Brace

Petersen Bodyguard (uncredited)

Johnny Briggs

Air Traffic Controller (uncredited)

Shakira Caine

Robot Observer (uncredited)

Carmen Dene

Party Girl in Green Dress (uncredited)

Frank Gatliff

Man Sitting Behind Pilot

Philip Gilbert

Test Co-Pilot (uncredited)

Dora Graham

Robot Twin (uncredited)

Doris Graham

Robot Twin (uncredited)

Aidan Harrington

Test Navigator (uncredited)

William Kendall

Wing Commander Aston (uncredited)

Juba Kennerley

Test Area Official with Bow Tie (uncredited)

Olga Linden

Blond Robot in Green Jumpsuit (uncredited)

Joanna Lumley

Robot Saboteur (uncredited)

John Paul

Test Pilot (uncredited)

Patsy Snell

Brunette Robot with Bangs (uncredited)

Guy Standeven

Flight Test Observer (uncredited)

Totti Truman Taylor

Cookery Student Wearing Hat (uncredited)

Jim Tyson

Hefty Cookery Student (uncredited)

Les White

Petersen Bodyguard (uncredited)