Fed up with all the attention going to Bugs Bunny, Daffy Duck quits Hollywood, teams up with recently-fired stuntman Damien Drake Jr. and embarks on a round-the-world adventure, along with Bugs and The VP of Warner Bros. Their mission? Find Damien's father, and the missing blue diamond... and stay one step ahead of The Acme Corp., who wants the diamond for their own purposes.
Unfortunately the movie Looney Tunes: Back in Action is not yet available on HBO Max.
| Writing | Larry Doyle | Screenplay |
| Production | Allison Abbate | Producer |
| Production | Christopher DeFaria | Producer |
| Production | Larry Doyle | Executive Producer |
| Production | Bernie Goldmann | Producer |
| Production | Joel Simon | Producer |
| Production | Paula Weinstein | Producer |
| Sound | Jerry Goldsmith | Original Music Composer |
| Camera | Dean Cundey | Director of Photography |
| Editing | Rick Finney | Editor |
| Editing | Marshall Harvey | Editor |
| Directing | Joe Dante | Director |
| Crew | Glory Fioramonti | Stunts |
| Production | Tom Knott | Production Manager |
| Directing | Karen Hamrock | Layout |
| Writing | Bob Camp | Storyboard |
| Crew | Rachel Wyn Dunn | Compositors |
| Directing | Jennifer Yuan | Layout |
| Writing | Chris Aguirre | Storyboard |
| Crew | Sandy Berumen | Stunts |
| Visual Effects | James Baker | Animation |
| Visual Effects | Arland Barron | Animation |
| Visual Effects | Mike Disa | Animation |
| Visual Effects | Joe Haidar | Animation |
| Visual Effects | Craig R. Maras | Animation |
| Visual Effects | Caroline Cruikshank | Animation |
| Visual Effects | Matt Williames | Animation |
| Writing | John Williamson | Storyboard |
| Visual Effects | Roberto Casale | Animation |
| Visual Effects | Shane Prigmore | Animation |
| Sound | Armen Ksajikian | Musician |
| Sound | Michael Herbick | Sound Re-Recording Mixer |
| Visual Effects | Lou Pecora | Digital Compositor |
| Production | Mary Gail Artz | Casting |
| Production | Barbara Cohen | Casting |
| Art | Bill Brzeski | Production Design |
| Art | Paul Sonski | Art Direction |
| Art | Lisa K. Sessions | Set Decoration |
| Costume & Make-Up | Mary E. Vogt | Costume Design |
| Production | Mary Bills | Production Supervisor |
| Production | María Guerra | Unit Production Manager |
| Crew | Tom Proper | Post Production Supervisor |
| Production | Ronald G. Smith | Production Manager |
| Production | Elpe Villard | Production Manager |
| Art | John P. Bruce | Set Designer |
| Art | Ann Harris | Set Designer |
| Art | Pamela Klamer | Set Designer |
| Art | Andrew Murdock | Set Designer |
| Art | Jeff Ozimek | Set Designer |
| Art | Carl J. Stensel | Set Designer |
| Art | Sloane U'Ren | Set Designer |
| Art | Bruce West | Set Designer |
| Production | Leanna Sheldon | Casting Associate |
| Production | David Israel | Location Manager |
| Production | Maria De La Torre | Production Coordinator |
| Directing | P.R. Tooke | Script Supervisor |
| Visual Effects | Earl A. Hibbert | Visual Effects Supervisor |
| Visual Effects | Edward P. Pedersen | Visual Effects Coordinator |
| Visual Effects | Anthony DeRosa | Lead Animator |
| Visual Effects | Darlie Brewster | Lead Animator |
| Crew | Gary Combs | Stunt Coordinator |
| Crew | Jack Gill | Stunt Coordinator |
| Sound | Mark Mangini | Supervising Sound Editor |
| Sound | Mark Binder | Sound Effects Editor |
| Sound | Steve Lee | Sound Effects Editor |
| Sound | David E. Stone | Sound Effects Editor |
| Crew | Tony Brubaker | Stunts |
| Crew | Alan J. Hagge | Systems Administrators & Support |
| Crew | Gary McLarty | Stunts |
| Crew | Andy Gill | Stunts |
| Visual Effects | Ray McIntyre Jr. | Visual Effects Supervisor |
| Visual Effects | Scott F. Johnston | Special Effects Supervisor |
| Art | John Kleber | Art Direction |
| Visual Effects | Eric Goldberg | Animation Director |
| Art | Eric Goldberg | Storyboard Artist |
| Visual Effects | Chris Watts | Visual Effects Supervisor |
