Vo filme Gremlins hrajú Zach Galligan (Billy Peltzer), Phoebe Cates (Kate Beringer), Hoyt Axton (Randall Peltzer), Frances Lee McCain (Lynn Peltzer), Corey Feldman (Pete Fountaine), Keye Luke (Grandfather (Mr. Wing)), John Louie (Chinese Boy), Dick Miller (Murray Futterman), Jackie Joseph (Sheila Futterman), Polly Holliday (Ruby Deagle), Judge Reinhold (Gerald Hopkins), Edward Andrews (Mr. Corben), Belinda Balaski (Mrs. Joe Harris), Scott Brady (Sheriff Frank), Susan Burgess (Little Girl), Harry Carey, Jr. (Mr. Anderson), Donald Elson (Man on Street), Jonathan Banks (Deputy Brent), Glynn Turman (Roy Hanson), Chuck Jones (Mr. Jones), Arnie Moore (Pete's Father), Danny Llewelyn (Hungry Child), Lois Foraker (Bank Teller), Kenny Davis (Dorry), Nicky Katt (Schoolchild), Tracy Wells (Schoolchild), John C. Becher (Dr. Molinaro), Gwen Willson (Mrs. Molinaro), Joe Brooks (Dave Meyers (Santa)), Jim McKrell (Lew Landers (WDHB-TV reporter)), Frank Welker (Stripe / Mogwai / Gremlins (voice)), Howie Mandel (Gizmo (voice)), Fred Newman (Mogwai / Gremlins (voice)), Mark Dodson (Mogwai / Gremlins (voice)), Michael Winslow (Mogwai / Gremlins (voice)), Peter Cullen (Mogwai / Gremlins (voice)), Bob Bergen (Mogway / Gremlins (voice)), Michael Sheehan (Mogwai / Gremlins (voice)), Bob Holt (Mogwai / Gremlins (voice)), Don Steele (Rockin' Ricky Rialto (voice)), Jerry Goldsmith (Pay-Phone Patron (uncredited)), Steven Spielberg (Man in Electric Wheelchair (uncredited)), Paul Acerno (Man Wearing Sunglasses on Payphone at Convention (uncredited)), Tom Bergeron (TV News Reporter (uncredited)), Bob Harks (Townsman (uncredited)), Brad Kesten (Mogwi / Gremlins / Additional Voices (uncredited)), Marvin Miller (Robby the Robot (voice) (uncredited)), Dean Rader Duval (Ron (uncredited)), William Schallert (Father Bartlett (uncredited)), Kenneth Tobey (Mobil Gas Station Attendant (uncredited)).