76ers' Boban Marjanovic stars in "John Wick: Chapter 3"

We all know 76ers player Boban Marjanovic is a star on the basketball court.

But this weekend, he's showing off his acting skills in the big screen.

Marjanovic takes on Keanu Reeves in "John Wick: Chapter 3 - Parabellum."

In the movie, the 76ers backup center plays a giant.

And Marjanovic didn't head to the red carpet premiere in Hollywood alone.

Forward Tobias Harris was there to support his teammate and best bud.