Dr. Frank Parrish
Paul Langton
Peter Wells
Leslie Denison
Mr. Edwards, sewer engineer
Jack Daly
Joyce Parrish
Darlene Fields
Airline Manager
Robert Hinton
Customs Warehouse Guard
Rusty Wescoatt
Subra
Teru Shimada
Lt. Dunbar
William Phipps
The Snow Creature
Lock Martin
Leva
Rollin Moriyama
Inspector Karma
Robert Kino
Corey Jr.
George Douglas
Mr. Fleet
Robert Bice
Dr. Louis DuPont
Rudolph Anders
Director
W. Lee Wilder
Producer
Production Supervisor
Mack V. Wright
Screenplay
Myles Wilder
Original Music Composer
Manuel Compinsky
Director of Photography
Floyd Crosby
Editor
Jodie Copelan
Art Direction
Frank Paul Sylos
Special Effects
Lee Zavitz
Sound Recordist
Robert Roderick
Lighting Technician
Bill Neff