[2] Inspiration for a life of acting originated from the time he spent volunteering for theater productions at Miss Porter's School, the internationally known all-girls school in town, where he knew male actors were needed.

[5][6] Prior to Mad Men, he played Eugene Rossi in four episodes of Third Watch.

He provided the voice and MotionScan of Dudley Lynch in the game L.A. Noire and was Senior Seaman Yevgeny Borzenkov in the 2002 film K19: The Widowmaker.

In 2015, he portrayed Lieutenant Matias in the science fiction action film Terminator Genisys.

[9] On June 13, 2022, Behrs announced the birth of their daughter, Emma George Gladis.