Riven

Maria De Aragon

as Jeanne

Marvin Howard

as Dr. Iane Thorne

Eric Sinclair

as Dr. Willy Seppel (as Eric Allison)

Mason Caulfield

as Mason, the Hippy

R.N. Bullard

as

Cecil Reddick

as Medical Examiner

Tim Frawley

as

Jax Jason Carroll

as

Ola Kauffman

as Mrs. Lacey

John Barnum

as Merv (as Barney Bossick)

Al Ward

as Phil Masters

Chuck Hillig

as

James Ragan

as Ben

David Essex

as

Harry Essex

Director

Roger Corman

Producer

Robert Caramico

Director of Photography

Harry Essex

Screenplay

Julian C. May

Short Story

Albert Glasser

Original Music Composer

Harry Essex

Producer

Doug Beswick

Visual Effects

Ron Kinney

Makeup Artist

Robert Freeman

Editor

Jax Jason Carroll

Associate Producer