Jesse Rath (born February 11, 1989) is a Canadian actor. He starred in the television series 18 to Life as Carter Boyd and as Ram on Aaron Stone. He also appeared on the Syfy series Defiance playing the role of Alak Tarr, on Being Human as Robbie Malik and on Supergirl as Brainiac 5.
Rath's first role was in 2005, as a runner in the sports film The Greatest Game Ever Played, and he later joined a low-budget film, , followed by The Trotsky. He got his biggest break on television in 2009 after getting cast in the miniseries , playing Federico Auditore, the role of one of the sons of the lead character, Giovanni. The same year, he was cast in a recurring role in the Disney XD show Aaron Stone. He was then cast as one of the main leads in the CBC show 18 to Life. He starred in a direct-to-video film, . He later joined another Canadian series, Mudpit. He also guest-starred on Being Human, playing the role of the younger brother of the female lead, portrayed by Meaghan Rath. In mid-2012, he was cast in the science fiction television series Defiance.
He was co-nominated for two Gemini Award in 2010 and 2011, for Best Ensemble Performance in a Comedy Program or Series, for 18 to Life. From 2018 to 2021, Rath portrayed Brainiac 5 in Supergirl.
| + Film appearances by Jesse Rath | |||
| 2005 | The Greatest Game Ever Played | Runner | Independent film |
| 2008 | Francis | ||
| 2009 | The Trotsky | Dwight | |
| 2009 | Federico Auditore | Short film | |
| 2011 | Sachin | ||
| 2012 | The Good Lie | Jesse | Independent film |
| 2019 | Jay and Silent Bob Reboot | French Canadian Blunt-Fan | Cameo |
| + Television appearances by Jesse Rath | |||
| 2009 | Boy teenager | Television film | |
| 2009–2010 | Aaron Stone | Ram | Recurring role |
| 2010–2011 | 18 to Life | Carter Boyd | Main role |
| 2012–2013 | Mudpit | Liam/Lamb | Main role |
| 2012 | My Babysitter's a Vampire | Hottie Hotep | Guest (1 episode) |
| 2013 | His Turn | Dicko | Television film |
| 2013–2014 | Being Human | Robbie Malik | Guest (4 episodes) |
| 2013–2015 | Defiance | Alak Tarr | Recurring role (season 1); main role (seasons 2–3) |
| 2016 | Code Black | James | Episode: “Hail Mary” |
| 2016 | 19-2 | Owen | Guest (4 episodes) |
| 2016 | The Brief | Austin | Miniseries |
| 2016–2017 | No Tomorrow | Timothy | Main role |
| 2018–2021 | Supergirl | Querl Dox / Brainiac 5 | Recurring role (season 3); main role (season 4–6) |
| 2018 | Gone | Agent Riggs | Episode: "Exigent Circumstances" |
| 2022 | S.W.A.T. | Kahn | Episode: "Donor" |
| 2024 | Accused | Jeffrey Wexler | Episode: "Margot's Story" |
| 2025 | Children Ruin Everything | Amit/Luke | Episode: "Adulthood" |
| Best Ensemble Performance in a Comedy Program or Series | ||
| Best Ensemble Performance in a Comedy Program or Series | ||
| Best Performance by an Actor in a Program or Series Produced for Digital Media |
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