vice president of production (79 episodes, 2008-2013)
president and general manager (79 episodes, 2008-2013)
production coordinator / production assistant (68 episodes, 2008-2013)
production coordinator / craft service / production assistant (53 episodes, 2008-2012)
production assistant (23 episodes, 2008-2011)
production coordinator (23 episodes, 2012-2013)
production assistant (14 episodes, 2010-2013)
production assistant (12 episodes, 2012-2013)
production assistant (10 episodes, 2013)
researcher (8 episodes, 2008-2009)
production assistant (8 episodes, 2008-2009)
researcher (7 episodes, 2009-2013)
production assistant (7 episodes, 2009-2011)
researcher (7 episodes, 2012-2013)
production coordinator (7 episodes, 2012-2013)
production assistant (5 episodes, 2012-2013)
production assistant (5 episodes, 2013)
production assistant (4 episodes, 2011)
production assistant (3 episodes, 2008-2009)
general manager (2 episodes, 2008-2009)
executive vice president of programming / senior vice president of programming (2 episodes, 2008-2009)
researcher (2 episodes, 2010-2011)
production assistant (2 episodes, 2010)
production assistant (2 episodes, 2011-2013)
production assistant (2 episodes, 2012)
production assistant (2 episodes, 2013)
vice president of production (1 episode, 2008)
researcher (1 episode, 2009)
production assistant (1 episode, 2009)
production assistant (1 episode, 2011)
footage (1 episode, 2011)
researcher (1 episode, 2011)
production assistant (1 episode, 2012)
general manager for investigation discovery (1 episode, 2013)
production assistant (1 episode, 2013)