[8] Later that year, Epstein joined the first national tour Spring Awakening, where he replaced Kyle Riabko as Melchior Gabor.

That experience was a whole lesson in pacing, in creating a whole world for yourself on stage..."[1] In 2012, Epstein made his Broadway debut in Spider-Man: Turn Off the Dark, which played at the Foxwoods Theatre.

[10][12] He left the show in 2014 after a year of performances, citing vocal problems and fatigue of playing a real person being portrayed as brooding and villainous.

[2] However, Epstein temporarily returned to the show in 2016, where he reprised his role opposite fellow Canadian actor Chilina Kennedy, who starred as Carole.

It's not about a guy who's afraid of coming out..."[13]At the 2019 Toronto Fringe Festival, Epstein premiered his solo cabaret show Boy Falls From the Sky.

[15] Epstein was encouraged to write the show at the encouragement of his wife, who he credits with helping him realizing the power and authenticity of "...somebody with a microphone, telling a true story, something that's funny or horrific or whatever..."[12] Mirvish Productions expressed interest in the show, and presented it at the Royal Alexandra Theatre between April 19 and May 29, 2022 and received widespread positive reviews.

[16][17][18] Epstein will star as Frank Carter in the pre-Broadway engagement of Life After, which will play at the Ed Mirvish Theatre in Toronto between April 16 and May 4, 2025.

[19] After appearing on the TV show The Zack Files, he played Craig Manning on Degrassi: The Next Generation for five seasons and won the Gemini Award.

I loved the opportunity to portray someone who was conflicted and not perfect..." Craig impregnated a girl named Manny who gets an abortion, and Epstein noted that those episodes were "initially banned" in the United States.

[23] Epstein played "geeky FBI computer nerd" Chuck Russink in the American TV show Designated Survivor (2016–2018).