Tijdens het reizen om de Hessische koning te ontmoeten, reizen de beroemde broers Grimm, Jacob en Wilhelm door een betoverd bos waar ze vastzitten in de wereld van hun sprookjes.
Nee, helaas is Once Upon a Brothers Grimm nog niet beschikbaar op Netflix in Nederland.
| Sound | Mitch Leigh | Songs |
| Editing | Jerry Greene | Editor |
| Costume & Make-Up | Larry Abbott | Makeup Artist |
| Art | Ken Johnson | Art Direction |
| Costume & Make-Up | Brenda Walters | Hairstylist |
| Camera | Dave Levisohn | Camera Operator |
| Production | Michael B. Seligman | Associate Producer |
| Costume & Make-Up | Michael Westmore | Makeup Artist |
| Camera | Sam Drummy | Camera Operator |
| Costume & Make-Up | Sanford Slepak | Assistant Costume Designer |
| Sound | Russ Freeman | Music Coordinator |
| Production | Gus Schirmer | Casting |
| Costume & Make-Up | Bill Hargate | Costume Design |
| Writing | Jacob Grimm | Characters |
| Art | Chip Wickett | Assistant Art Director |
| Production | Jack Wohl | Producer |
| Sound | Larry Stephens | Sound |
| Crew | Dan Andersen | Special Effects |
| Lighting | Carl Gibson | Lighting Director |
| Camera | Dean Terrell | Camera Operator |
| Production | Bernard Rothman | Producer |
| Costume & Make-Up | Gail Rowell-Ryan | Hairstylist |
| Camera | Bob Keys | Camera Operator |
| Art | Robert Checchi | Set Decoration |
| Costume & Make-Up | Tommy Cole | Makeup Artist |
| Sound | Jerry Toth | Music Director |
| Writing | Wilhelm Grimm | Characters |
| Writing | Sammy Cahn | Lyricist |
| Crew | Ron Field | Choreographer |
| Writing | Jean Holloway | Screenplay |
| Directing | Norman Campbell | Director |
