Roger Christian Director John Travolta Terl, Psychlo Chief of Security Actor, Producer Barry Pepper Jonnie Goodboy Tyler Actor Forest Whitaker Ker Actor Kim Coates Carlo Actor Sabine Karsenti Chrissy Actor Richard Tyson Robert the Fox Actor Marie-Josée Croze Mara Actor Kelly Preston Chirk Actor Michael Byrne Parson Staffer Actor Jim Meskimen Blythe Actor Christian Tessier Mickey Actor Michael MacRae Actor Shaun Austin-Olsen Actor Tim Post Actor L. Ron Hubbard Writer Corey Mandell Screenwriter J.D. Shapiro Screenwriter Jonathan D. Krane Producer Elie Samaha Producer Don Carmody Executive Producer Andrew Stevens Executive Producer Ashok Amritraj Executive Producer Giles Nuttgens Cinematographer Robin Russell Film Editing Elia Cmiral Original Music Patrick Tatopoulos Costume Design Oana Bogdan Art Director Louis Dandonneau Set Decoration Anne Galéa Set Decoration Lynn Stalmaster Casting Ronald J. Rolfe Hair Stylist André Duval Key Hair Stylist Jocelyne Bellemare Key Makeup Artist