Riven

Victor Buono

as Leo Kroll

David McLean

as Lt. Frank Benson

Diane Sayer

as Barbara Wells

Davey Davison

as Tally Raymond

Baynes Barron

as Sgt. Mack Clyde

Ellen Corby

as Mrs. Kroll

Russ Bender

as Dr. Clarence Sanford

Jeanne Bates

as Clara Thomas

Mimi Dillard

as Thelma

Selette Cole

as Helen Lawson

Michael Ryan

as Detective Mel Posner

Wally Campo

as Eggerton

Byron Morrow

as Dr. Morton

John Yates

as Intern

James B. Sikking

as Police Sketch Artist

Robert Cranford

as Jack Rosten

Fred Aldrich

as Apartment House Manager (uncredited)

Benjie Bancroft

as Police Officer (uncredited)

Fred Fisher

as Detective (uncredited)

Kenner G. Kemp

as Detective (uncredited)

Victor Masi

as Attendant (uncredited)

Burt Topper

Director

Bill S. Ballinger

Screenplay

Samuel Bischoff

Producer

James Cresson

Producer

David Diamond

Producer

Marlin Skiles

Original Music Composer

Jacques R. Marquette

Director of Photography

Robert S. Eisen

Editor

Eugène Lourié

Art Direction

Hal Pereira

Art Direction

Sam Comer

Set Decoration

James W. Payne

Set Decoration

Clark L. Paylow

Assistant Director