The She-Creature

Cathy Downs

Dorothy Chappel

Lance Fuller

Dr. Ted Erickson

Ron Randell

Police Lt. Ed James

Frieda Inescort

Mrs. Chappel

Frank Jenks

Plainclothes Sgt. with Lt James

El Brendel

Olaf, the butler

Paul Dubov

Johnny, the barker

William Hudson

Bob, the ex-fiancé

Flo Bert

Marta, the Maid