Directed by Steve Miner
Produced by Sean S. Cunningham
Executive Producer : Roger Corman (uncredited)
Story by Fred Dekker
Screenplay by Ethan Wiley
Cinematography by Mac Ahlberg
Film Editing by Michael N. Knue
Music by Buddy Feyne, Harry Manfredini
Production Design by Gregg Fonseca
Set Decoration by Anne Huntley
Costume Design by Bernadette O'Brien
Special Makeup Effects : Brian Wade
Special Effects : James Cummins
Special Effects : Hoyt Yeatman (Dream Quest Images : Uncredited)
Mechanical Special Effects : Tassilo Baur
Creature Designer : Kirk R. Thatcher (Backwood Films)
Creature Effects Designer : James Cummins (Backwood Films)
Creature Effects Crew : Brent Baker, James Belohovek, Steve Burg, Earl Ellis, Eric Fiedler, Tracy Fletcher, Cary Howe, Larry Odien, Anton Rupprecht, Shannon Shea, Richard Snell, Michael Spatola, Bill Sturgeon, Lauren Vogt, Dirk Von Besser, Brian Wade, Harold Weed (Backwood Films)
Puppeteer : Bill Sturgeon
Special Visual Effects : Dream Quest Images
Creature Special Effects : Backwood Film
Cast
William Katt (Roger Cobb)
George Wendt (Harold Gorton)
Richard Moll (Big Ben)
Kay Lenz (Sandy)
Mary Stavin (Tanya)
Michael Ensign (Chet Parker)
Erik Silver (Jimmy)
Mark Silver (Jimmy)
Susan French (Aunt Elizabeth)
Alan Autry (Cop #3)
Steven Williams (Cop #4)
Jim Calvert (Grocery Boy)
Mindy Sterling (Woman in Bookstore)
Jayson Kane (Cheesy Stud)
Billy Beck (Priest)
Bill McLean (Older Man)
Steve Susskind (Frank McGraw)
John Young (Would-be Writer)
Dwier Brown (Lieutenant)
Joey Green (Fitzsimmons)
Stephen Nichols (Scott)
Donald Willis (Soldier)
Ronn Carroll (Policeman)
Robert Joseph (Robert)
Curt Wilmot (Skeleton Big Ben)
Ronn Wright (Enthusiastic Patron)
Renee Lillian (Zealous Fan)
Peter Pitofsky (Witch)
Elizabeth Barrington (Little Critter)
Jerry Maren (Little Critter)
Felix Silla (Little Critter)