Harry Hamlin
Perseus
Judi Bowker
Andromeda
Burgess Meredith
Ammon
Maggie Smith
Thetis
Ursula Andress
Aphrodite
Claire Bloom
Hera
Siân Phillips
Cassiopeia
Flora Robson
A Stygian Witch
Laurence Olivier
Zeus
Tim Pigott-Smith
Thallo
Neil McCarthy
Calibos
Susan Fleetwood
Athena
Anna Manahan
A Stygian Witch
Freda Jackson
A Stygian Witch
Jack Gwillim
Poseidon
Pat Roach
Hephaestus
Donald Houston
Acrisius
Vida Taylor
Danae
Harry Jones
Huntsman
Ferdinando Poggi
Guard Killed by Scorpion (uncredited)
Laurence Rosenthal
Original Music Composer
Desmond Davis
Director
Charles H. Schneer
Producer
Ray Harryhausen
Producer
Ted Moore
Director of Photography
Timothy Gee
Editor
Harry Cordwell
Set Dresser
Terry Poulton
Sound Effects Editor
Norma Hazelden
Production Assistant
Basil Newall
Makeup Artist
Bob Cross
Construction Manager
Connie Reeve
Makeup Artist
Terry Madden
Second Assistant Director
Sam Christensen
Casting
Fernando González
Art Direction
Mike Roberts
Camera Operator
Egil S. Woxholt
Underwater Camera
Robin Clarke
Music Editor
Emma Porteous
Costume Design
Luis Roberts
Production Supervisor
George Marshall
Production Accountant
Irene Lamb
Casting
Don Picton
Art Direction
Terry Sharratt
Boom Operator
Ferdinando Poggi
Stunt Coordinator
Keith Denny
Wardrobe Supervisor
Herbert W. Spencer
Orchestrator
John Palmer
Associate Producer
Mike Bulley
Clapper Loader
Doreen Soan
Continuity
Anthony Waye
First Assistant Director
Anthony Gaudioz
Focus Puller
Jimmy Spoard
Grip
Peter Howitt
Art Direction
Gerry Gavigan
Second Assistant Director
Christopher Thompson
Assistant Editor
Bryan Coates
Location Manager
Giorgio Desideri
Art Direction
Egil S. Woxholt
Aerial Camera
Joyce Robinson
Casting
Stephanie Kaye
Hairstylist
Mario Pisani
Production Supervisor
Bill MacLaren
Construction Manager
Keith Hamshere
Still Photographer
Ann Tasker
Unit Publicist
Helen Gill
Wardrobe Master
John May
Electrician
Beverley Cross
Writer
Frank White
Production Design
Ray Harryhausen
Visual Effects
Graham V. Hartstone
Sound Re-Recording Mixer
Cliff Culley
Visual Effects
Brian Smithies
Special Effects Coordinator
Roy Field
Visual Effects
Gordon K. McCallum
Sound Re-Recording Mixer
Frank Van der Veer
Visual Effects
Nicolas Le Messurier
Sound Re-Recording Mixer
Robin Gregory
Sound Mixer