Mika Amonsen | |
|---|---|
| Born | |
| Occupation | Actor |
| Years active | 2017–present |
Mika Amonsen is an Canadian actor most known for his role as Patrol Officer Sean Reagan in the CBS crime drama Boston Blue, as well as his appearances on Reacher and in the film Thanksgiving.
Amonsen grew up in a small town outside of Toronto, and was raised in an artistic family. His mother is a dancer and his father is a rock music enthusiast. Mika picked up the guitar at age 13 and soon started playing in a band that eventually recorded an album and opened for name acts in Canada like Kim Mitchell. In college, Amonsen shifted his focus to acting, enrolling in classes and eventually training at Armstrong Acting Studios in Toronto.
Amonsen continues to reside outside Toronto in the present day.
After making appearances in TV series such as Designated Survivor, Suits, Reacher and The Republic of Sarah, Amonsen got his big break when he was cast as Lonnie in the Eli Roth film Thanksgiving. In 2025, he was cast to play the character Sean Reagan in the CBS police procedural Boston Blue, reprising the role originally played by Andrew Terraciano on Blue Bloods who now follows his family’s law enforcement legacy as a Boston PD patrol officer.
| Year | Title | Role | Notes | Ref. |
|---|---|---|---|---|
| 2017 | Porcupine Lake | Nick | ||
| Christmas Encore | Brady | TV movie | ||
| 2019 | Midway | Nautilus Soldier #1 | ||
| 2021 | Danger Next Door | Teenage Boy | TV movie | |
| 2023 | Thanksgiving | Lonnie | ||
| 2025 | Whistle | Tanner Church | ||
| Fresh Meat | Marcus | |||
| Year | Title | Role | Notes | Ref. |
|---|---|---|---|---|
| 2017 | Designated Survivor | Second Soldier | Episode: "Home" | |
| 2018 | Suits | Drake Johnson | Episode: "Bad Man" | |
| 2019 | Wayne | Luke | Episode: “Chapter Five: Del” | |
| Slasher | Jock | Episode: “9am to 12pm” | ||
| Good Witch | Jacob | Episode: “The Grey-cation” | ||
| Impulse | Keith | Episode: “Mind on Fire” | ||
| Hudson & Rex | Adler Cullen | 2 episodes | ||
| Dare Me | Gregory Prine | Episode: “Coup D’Etat” | ||
| 2021 | The Republic of Sarah | Hunter Trumbull | 3 episodes | |
| Murdoch Mysteries | Donovan Kent | Episode: “I Know What You Did Last Autumn” | ||
| 2022 | Reacher | Officer Ribidoux | Episode: "No Apologies" | |
| Ezra | Nathaniel Walton | 2 episodes | ||
| 2023 | The Spencer Sisters | Lee | Episode: “The Coder’s Calamity” | |
| 2024 | Pachinko | American G.I. | Episode: “Chapter Thirteen” | |
| 2025–present | Boston Blue | Officer Sean Reagan | Main cast | |