Calificación
Reparto

Steve Railsback
Det. Jim Bishop

Gwynyth Walsh
Dr. Rachel Carson

John Vernon
Roger Levering

Joe Flaherty
George Baker

Robin Duke
Sandra Baker

Susan Anspach
Dr. Judith Glass

Don Lake
Elliot Jacobs

Helen Hughes
Marwella

Sandy Webster
Fred

Joy Coghill
Dede Wilkens

Ivan E. Roth
The Creature

Bill Lake
Paramedic

Peter Van Wart
Oscar Willets

Don Ritchie
Orderly #1

Stuart Stone
Joey

Marsha Moreau
Marcy