Les Tremayne

as Dr. John Basso

Pat Delaney

as Doreena

Aron Kincaid

as Capt. Theodore Dell

Neil Fletcher

as Sam Crane

Annabelle Weenick

as Mrs. Crane

Ron Scott

as Nick

Roger Ready

as Lt. Blake

Suzanne Roy

as Lynn Crane

Byron Lord

as Investigating Psychiatrist / The Creature

Barnett Shaw

as Investigating Psychiatrist

Scotty McKay

as Singer