Director

Donald Cammell

Producer

Herb Jaffe

Screenplay

Robert Jaffe, Roger O. Hirson

Novel

Dean R. Koontz

Original Music Composer

Jerry Fielding

Director of Photography

Bill Butler

Editor

Frank Mazzola

Casting

Jennifer Shull

Production Design

Edward C. Carfagno

Set Decoration

Barbara Krieger

Makeup Artist

Don L. Cash, Frank Griffin, Lee Harman