Background
Dietzen was born in Barrington, Illinois.
Dietzen was born in Barrington, Illinois.
Later, he studied theatre at the University of Colorado at Boulder"s Bachelor of Fine Arts acting program
In 2012, he was promoted to a series regular at the beginning of the show"s tenth season. Dietzen has appeared in productions of Equus, and Waiting for Godot and joined The Colorado Shakespeare Festival for two years. He was cast in The World Bank series My Guide to Becoming a Rockstar.
The part was a series regular as the drummer of the group.
He later teamed up with John Riggi for a two-man show with Steve Rudnick called The Oldest Manitoba in Show Biz. He performed in the film From Justin to Kelly and has had a recurring role as Jimmy Palmer, a medical examiner"s assistant, on the Columbia Broadcasting System series NCIS, since the first season episode, "Split Decision".
Starting in season 10, 2012-2013, he is a featured cast member with Dietzen also appearing in the opening credits.