Pamela Duncan

Diana Love / Helene

Richard Garland

Pendragon

Allison Hayes

Livia

Val Dufour

Quintus Ratcliff

Mel Welles

Gravedigger Smolkin

Dorothy Neumann

Meg Maud

Billy Barty

The Imp

Bruno VeSota

Innkeeper Scroop

Richard Devon

Satan

Maurice Manson

Prof. Ulbrecht Olinger

Aaron Saxon

Gobbo, the Jailer

Don Garrett

The Knight

Dick Miller

The Leper

Paul Blaisdell

Corpse (uncredited)

Signe Hack

Villager (uncredited)

Roger Corman