Directed by Joseph Ruben
Produced by Bruce Cohn Curtis
Executive Producer : Stanley R. Zupnik
Written by David Loughery, Chuck Russell, Joseph Ruben
Story : David Loughery
Cinematography by Brian Tufano
Film Editing by Lorenzo DeStefano, Richard Halsey
Music by Maurice Jarre
Casting by Johanna Ray
Art Direction by Jeff Staggs
Special Makeup : Greg Cannom, David B. Miller, Brian Wade
Stop-Motion Visual Effects Supervisor : Jim Aupperle
Visual Effects : Peter Kuran
Special Effects : Craig Reardon
Snakeman Model Builder : Stephen Czerkas
Special Effects : Court Wizard Special Effects
Cast
Dennis Quaid (Alex Gardner)
Max von Sydow (Doctor Paul Novotny)
Christopher Plummer (Bob Blair)
Eddie Albert (The President)
Kate Capshaw (Jane DeVries)
David Patrick Kelly (Tommy Ray Glatman)
George Wendt (Charlie Prince)
Larry Gelman (George Webber)
Cory 'Bumper' Yothers (Buddy Driscoll)
Redmond Gleeson (Snead)
Peter Jason (Roy Babcock)
Chris Mulkey (Gary Finch)
Jana Taylor (Melanie Webber)
Madison Mason (Fred Schoenstein)
Kendall Carly Browne (Mrs. Matusik)
Kate Charleson (President's Daughter)
Eric Gold (Tommy Ray's Father)
Virginia Kiser (President's Wife)
Carl Strano (Edward Simms)
Brian Libby (McClaren)
Bob Terhune (Dobbs)
Fred M. Waugh (Bill Hardy)
Timothy Blake (Mrs. Blair)
Carey Fox (Tech Aide #1)
Marii Mak (Tech Aide #2)
Claudia Lowe (Tech Aide #3)
Anna Chavez (Newswoman)
Ben Kronen (Train Conductor)
John Malone (Trolley Conductor)
Betty Kean (Grandma)
Trent Dolan (Desk Guard)
Andrew Boyer (Webber's Brother)
George Caldwell (Buddy's Father)
Ernest Harada (Gardener)
Tina Greenberg (Nurse)
Alan Buchdahl (Track Announcer)
Larry Cedar (The Snakeman)