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