Calificación
Reparto

Peter Fonda
Eddie Slocum

Sharon Hugueny
Pam Burns

Nick Adams
Tarragoo

Deborah Walley
Debbie

Beatrice Straight
Mrs. Burns

Joseph Campanella
Prof. Reese

Kent Smith
Dr. Shoemaker

Malachi Throne
Prof. Schwartz

Nancy Rennick
Mary Reese

Jennifer Billingsley
Karen