This American actor and musician has appeared in episodes of numerous television shows such as Battlestar Galactica, Smallville, CSI: Crime Scene Investigation, and Dexter.

He is presently the star of the US/Canadian remake of the supernatural drama series Being Human.

Witwer grew up in a small suburb outside of Chicago. He was involved in drama and theater classes at school, as well as being the lead singer of a high school band . He attended the Juilliard School for a time before moving to Los Angeles.

Witwer's first major recurring role came in the form of portraying Lt. Crashdown on Battlestar Galactica, although he has credited much of his current success to his role as Neil Perry on Dexter.

Witwer states that his first love is music and he is still active in it, as he is currently the lead singer of the band The Crashtones. The band released its debut album in 2006.