Bamman played alongside Michael J. Fox in The Secret of My Success. Bamman appeared as defense attorney Stan Gillum in several episodes of Law & Order and Law & Order SVU. In Law & Order episode 323 Bamman's character as a trial judge was given three different names throughout the episode. The names were, "Harrison Taylor", "Thomas Sommers" and "Thomas Everton". Bamman was also in the first season episode "The Blue Wall" playing Lt. Kennedy of Internal Affairs. Bamman co-starred in Runaway Jury as the blind jury foreman Herman Grimes.