On the brink of a big deal with mogul Lucky Claybert, Gumby and his band The Clayboys must do battle with the villainous Blockheads, who have kidnapped their loyal canine Lowbelly.
Unfortunately the movie Gumby: The Movie is not yet available on HBO Max.
| Directing | Art Clokey | Director |
| Sound | Dal McKennon | Vocal Coach |
| Sound | Jerry Gerber | Original Music Composer |
| Editing | Lynn Stevenson | Editor |
| Editing | Marilyn McCoppen | Editor |
| Writing | Art Clokey | Writer |
| Writing | Gloria Clokey | Writer |
| Production | Art Clokey | Producer |
| Production | Gloria Clokey | Producer |
| Production | Kevin Reher | Associate Producer |
| Art | Gloria Clokey | Supervising Art Director |
| Art | Ken Pontac | Art Direction |
| Art | Janet McDuff | Other |
| Art | Norm DeCarlo | Other |
| Art | Martin McClure | Other |
| Sound | James Allen | Sound Designer |
| Sound | Jaime Kibben | Dialogue Editor |
| Visual Effects | Angie Glocka | Animation |
| Visual Effects | Anthony Scott | Animation |
| Visual Effects | Blake Martin | Animation |
| Visual Effects | Elizabeth Buttler | Animation |
| Visual Effects | Eric Leighton | Animation |
| Visual Effects | Karen Kiser | Animation |
| Visual Effects | Kristine Albrecht | Animation |
| Visual Effects | Kurt Hanson | Animation |
| Visual Effects | Lionel Ivan Orozco | Animation |
| Visual Effects | Michael Belzer | Animation |
| Visual Effects | Owen Klatte | Animation |
| Visual Effects | Rich Zim | Animation |
| Visual Effects | Richard Zimmerman | Animation |
| Visual Effects | Stephen A. Buckley | Animation |
| Visual Effects | Stephen C. Wathen | Animation |
| Visual Effects | Timothy Hittle | Animation |
| Visual Effects | Tony Laudati | Animation |
| Visual Effects | Trey Thomas | Animation |
| Visual Effects | Eric Leighton | Animation Director |
| Visual Effects | Harry Walton | Animation Director |
| Visual Effects | Tom Gasek | Animation Director |
| Art | Marghi McMahon | Other |
| Art | Fox C. Hughes | Other |
| Art | Shawn Nelson | Other |
| Art | Jay Davis | Other |
| Art | Richard Miller | Other |
| Art | Steve Fink | Other |
