Elmer, an elf child, steals Santa's sleigh and goes out to the real world, pretending to be a real boy.
Unfortunately the movie The Elf Who Didn't Believe is not yet available on HBO Max.
| Sound | Deeji Mincey | Original Music Composer |
| Sound | Boris Zelkin | Original Music Composer |
| Directing | Rodney McDonald | Director |
| Production | Ashok Amritraj | Producer |
| Production | Andrew Stevens | Producer |
| Camera | Gary Graver | Director of Photography |
| Writing | Karen Kelly | Screenplay |
| Production | Alan B. Bursteen | Executive Producer |
| Lighting | Ted T.E. Tunney | Gaffer |
