Topzle Updated: Wikipedia source
Jason Ralph (born April 7, 1986) is an American actor and theater producer. Ralph began his career in theater, most notably performing in Peter and the Starcatcher on Broadway and off-Broadway and producing The Woodsman. From 2015 to 2019, he starred as Quentin Coldwater in the Syfy television series The Magicians. He has also had recurring roles on shows including Aquarius and Younger.
| Year | Title | Role |
| 2013 | Brightest Star | Gary |
| 2014 | I'm Obsessed with You | Jake Birnbaum |
| 2014 | A Most Violent Year | Ian Thompson |
| 2015 | Those People | Sebastian |
| 2015 | Stereotypically You | Brad |
| 2020 | I'm Thinking of Ending Things | Young Man |
| Year | Title | Role | Notes |
| 2010 | The Good Wife | Student | Episode: "Breaking Fast" |
| 2011 | Gossip Girl | Sam | 2 episodes |
| 2011 | Unforgettable | Zeke | Episode: "Friended" |
| 2013 | Smash | Fan | Episode: "The Producers" |
| 2013 | Blue Bloods | Jake Singer | Episode: "Justice Served" |
| 2014 | Looking | Jason | Episode: "Looking for Now " |
| 2015 | Grace and Frankie | William | Episode: "The Dinner " |
| 2015–2016 | Aquarius | Mike Vickery | 10 episodes |
| 2015 | Madam Secretary | Harrison Dalton | 5 episodes |
| 2015 | Manhattan | Stan | 6 episodes |
| 2015–2019 | The Magicians | Quentin Coldwater | Main role (seasons 1–4); 52 episodes |
| 2016 | Dark Day | Ian Howe | Main cast; unaired pilot |
| 2018 | Younger | Jake Devereux | Recurring role; 5 episodes |
| 2022–2023 | The Marvelous Mrs. Maisel | Mike Carr | 11 episodes |
| 2024 | Three Women | Aaron Knodel | Recurring role |
| Year | Title | Role | Venue | Notes | Producer |
| 2011 | IN | Jordy | Pioneer Theatre Company | Original production | |
| 2011 | The Dunes | Troy | Gallery Players Theatre | Original off-off-Broadway production | |
| 2011 | Home Movies | Sam | Dorothy Strelsin Theatre | Off-Broadway | Y |
| 2011 | The Little Mermaid | McCarren Park | Brooklyn production | Y | |
| 2012 | Free Delivery | Barney | Made Fresh Daily | Off-off-Broadway | Y |
| 2012–2013 | Peter and the Starcatcher | Understudy (Boy, Prentiss, et al.) | Brooks Atkinson Theatre | Original Broadway production | |
| Boy | New Worlds Stages | Off-Broadway transfer | |||
| 2012–2014 | The Woodsman | — | Standard Toycraft | Brooklyn production | Y |
| Ars Nova | Off-Broadway | ||||
| 59E59 Theaters | Off-Broadway transfer | ||||
| 2013 | On the Head of a Pin | Chris Conrad | 59E59 Theaters | Off-Broadway | Y |
| 2018 | Bernie and Mikey's Trip To the Moon | — | 59E59 Theaters | Off-Broadway | Y |
| 2019 | The Courtroom | Great Hall (Cooper Union) | Staged reenactment | ||
| 2020 | The Great Filter | The Wild Project | Off-off-Broadway |
| Year | Title | Role | Notes |
| 2010 | Red Dead Redemption | The Local Population | Voice |