Montgomery's first acting role was the character of Fred in the short film Bertrand the Terrible. He went on to portray Jason/The Red Ranger in the Power Rangers reboot.
Montgomery has also appeared in a music video for the song "Old Souls" by deathcore band Make Them Suffer. In the past, he has acted in theatres.
|2010||Bertrand the Terrible||Fred|
|A Few Less Men||Mike|
|2017||Power Rangers||Jason / The Red Ranger|
|2017||Better Watch Out||Jeremy|
|2017-2019||Stranger Things||Billy Hargrove|
|2019||True History of the Kelly Gang||TBA|
|2020||The Broken Hearts Gallery||Nick Danielson|
|Cast and crew of Stranger Things|
|Major Cast Members|
|Recurring/Minor Cast Members|