Er wordt wel gezegd dat de eerste 21 jaar de carrière van een artiest bepalen. Er zijn maar weinig regisseurs die zo eigenhandig de filmwereld hebben opgeschud als de peetvader van de indie, Richard Linklater. Van het baanbrekende Slacker tot zijn vernieuwende Boyhood, Linklater heeft de grens van 21 jaar bereikt en zijn handtekening onvoorwaardelijk gezet in de Amerikaanse popcultuur. De documentaire bevat openhartige gesprekken met Ethan Hawke, Jack Black, Keanu Reeves, Billy Bob Thornton, Matthew McConaughey, Jason Reitman, Julie Delpy en anderen, waarbij hun verhalen tot leven worden gebracht door animatiescènes.
Nee, helaas is 21 Years: Richard Linklater nog niet beschikbaar op Netflix in Nederland.
| Directing | Michael Dunaway | Director |
| Production | Nolan Gallagher | Executive Producer |
| Production | Tara Wood | Producer |
| Production | R. J. Strain | Co-Executive Producer |
| Editing | Jeremy Ward | Editor |
| Sound | Graham Reynolds | Original Music Composer |
| Production | Michael Murphy | Executive Producer |
| Production | Mario Davila | Executive Producer |
| Production | Michael Dunaway | Producer |
| Production | Pamela Sutton | Executive Producer |
| Production | Norman Gregory McGuire | Executive Producer |
| Production | William Pedroza | Executive Producer |
| Directing | Tara Wood | Co-Director |
| Production | Amy Tekell | Co-Executive Producer |
| Production | Robert C. McGirr | Executive Producer |
| Production | Melanie Miller | Producer |
| Production | David Claassen | Associate Producer |
| Production | Marco Derhy | Associate Producer |
| Costume & Make-Up | Julianne Kaye | Makeup & Hair |
| Production | Kimberly Mason | Co-Executive Producer |
| Sound | Erik Duemig | Sound Recordist |
| Camera | Jeffery Fiterman | Still Photographer |
| Crew | Robert Rodriguez | Thanks |
| Crew | Ted Griffis | Post Production Supervisor |
| Camera | Cooper Dunn | Second Unit Director of Photography |
| Crew | Steven Soderbergh | Thanks |
| Production | Karen Mitchell | Associate Producer |
| Camera | Aaron Brown | Director of Photography |
| Sound | Evan Dunivan | Sound Re-Recording Mixer |
| Crew | Quentin Tarantino | Thanks |
| Sound | Joseph Duemig | Sound Recordist |
| Sound | James Parker | Sound Recordist |