Les Tremayne

Dr. John Basso

Pat Delaney

Doreena

Aron Kincaid

Capt. Theodore Dell

Neil Fletcher

Sam Crane

Annabelle Weenick

Mrs. Crane

Ron Scott

Nick

Roger Ready

Lt. Blake

Suzanne Roy

Lynn Crane

Byron Lord

Investigating Psychiatrist / The Creature

Barnett Shaw

Investigating Psychiatrist

Scotty McKay

Singer

Larry Buchanan

Director

Larry Buchanan

Producer

Tony Huston

Screenplay

Robert C. Jessup

Director of Photography

Edwin Tobolowsky

Associate Producer

Jack Bennett

Special Effects

Robert Dracup

Gaffer

Joreta C. Cherry

Production Coordinator

Ronald Stein

Music

Annabelle Weenick

Assistant Director