Brian Altemus is an a American actor. He plays Tyler Marchand in in the HBO Max original series, Pretty Little Liars: Original Sin. The series is a spin-off of the hit Freeform series, Pretty Little Liars.
History[]
Brian was born on April 20, 1997 in Pennsylvania. His first major role came in 2020, when he recurred as Luke Friedman in Grand Army. He guest-starred on HBO Max's The Time Traveler's Wife in 2022 as Young Henry DeTamble. In 2020, he was cast as Tyler Marchand in Pretty Little Liars: Original Sin. He also has the role of Shane Oman in the film version of Mean Girls: The Musical.
Filmography[]
Television
| Year | Title | Role | Notes |
|---|---|---|---|
| 2020 | Grand Army | Luke Friedman | Recurring role |
| 2022 | The Time Traveler's Wife | Young Henry DeTamble (teenager) | 2 episodes |
| 2022 | Pretty Little Liars: Original Sin | Tyler Marchand | Recurring role |
| 2023 | Harlan Coben’s Shelter | Troy Taylor | 8 episodes |
Film
| Year | Title | Role |
|---|---|---|
| 2020 | Never Rarely Sometimes Always | Rowdy Student |
| 2024 | Mean Girls | Shane Oman |
Trivia[]
- Brian has appeared in three HBO Max original series - Euphoria, The Time Traveler's Wife, and Pretty Little Liars: Original Sin.


