While traveling to meet with the Hessian King, the famed Brothers Grimm, Jacob and Wilhelm, travel through an enchanted forest where they find themselves trapped in the world of their fairy tales.
Unfortunately the movie Once Upon a Brothers Grimm is not yet available on HBO Max.
| Art | Chip Wickett | Assistant Art Director |
| Sound | Mitch Leigh | Songs |
| Writing | Wilhelm Grimm | Characters |
| Writing | Jacob Grimm | Characters |
| Production | Jack Wohl | Producer |
| Production | Bernard Rothman | Producer |
| Editing | Jerry Greene | Editor |
| Costume & Make-Up | Brenda Walters | Hairstylist |
| Art | Ken Johnson | Art Direction |
| Costume & Make-Up | Larry Abbott | Makeup Artist |
| Production | Gus Schirmer | Casting |
| Art | Robert Checchi | Set Decoration |
| Costume & Make-Up | Tommy Cole | Makeup Artist |
| Camera | Bob Keys | Camera Operator |
| Sound | Jerry Toth | Music Director |
| Production | Michael B. Seligman | Associate Producer |
| Costume & Make-Up | Bill Hargate | Costume Design |
| Costume & Make-Up | Michael Westmore | Makeup Artist |
| Camera | Sam Drummy | Camera Operator |
| Costume & Make-Up | Sanford Slepak | Assistant Costume Designer |
| Sound | Larry Stephens | Sound |
| Crew | Ron Field | Choreographer |
| Lighting | Carl Gibson | Lighting Director |
| Camera | Dean Terrell | Camera Operator |
| Sound | Russ Freeman | Music Coordinator |
| Camera | Dave Levisohn | Camera Operator |
| Writing | Sammy Cahn | Lyricist |
| Costume & Make-Up | Gail Rowell-Ryan | Hairstylist |
| Crew | Dan Andersen | Special Effects |
| Directing | Norman Campbell | Director |
| Writing | Jean Holloway | Screenplay |
