Known primarily for his work in American television Chris Collins has served as a staff writer and executive producer in acclaimed shows like Sons of Anarchy (2008-`14) and The Man in the High Castle (2015-). The animated tv series Star Wars: The Clone Wars (2008-`14) and the Emmy-nominated crime drama The Wire (2002-`08) are some of Collins` other significant writing credits.

In 2019, Collins co-wrote the screenplay for the neo-noir action thriller John Wick: Chapter 3 - Parabellum along with Derek Kolstad, Shay Hatten and Marc Abrams. The movie, directed by Chad Stahelski, starred Keanu Reeves in the titular role.