★ 7.9 
Acting
Mark Barrett
Mark Barrett is best known for The Big Bang Theory and Outlander.
Known for
★ 7.9 
★ 8.2 Outlander
Filmography
- 2014OutlanderRegulator
- 2007The Big Bang TheorySecurity Guard #2 (voice)
Frequently asked questions
What movies and shows has Mark Barrett been in?
Mark Barrett is best known for The Big Bang Theory and Outlander.
Updated: October 30, 2026 ·