Maximillian D. Day ... first assistant director (54 episodes, 2007-2017)

Shea Vargé ... second second assistant director / first assistant director (52 episodes, 2010-2017)

Audrey Clark ... second assistant director / first assistant director (51 episodes, 2013-2019)

Michael Risoli ... first assistant director (47 episodes, 2009-2019)

Carla Rose Ponzio ... second assistant director / second second assistant director (44 episodes, 2007-2011)

Alejandro Mora ... second assistant director / dga trainee / additional second assistant director / second second assistant director (40 episodes, 2015-2019)

Kristen Heiden ... second second assistant director (21 episodes, 2007-2008)

Timothy Muir ... second second assistant director / additional second assistant director (20 episodes, 2018-2019)

Jordan Rader ... additional second assistant director / dga trainee / second second assistant director (20 episodes, 2018-2019)

Ross Novie ... first assistant director (12 episodes, 2005-2008)

Mark Lyon ... first assistant director (11 episodes, 2006-2007)

Jennie O'Keefe ... second assistant director (10 episodes, 2006)

Thomas Burke ... first assistant director (10 episodes, 2012)

Eric Oliver ... second assistant director (10 episodes, 2012)

Corinne Wedlake ... dga trainee (10 episodes, 2012)

Richard Silva ... key second assistant director / second assistant director (7 episodes, 2005)

Aaron Penn ... second second assistant director (7 episodes, 2008)

David Fischer ... second second assistant director (7 episodes, 2010-2011)

Brad Robinson ... second second assistant director (6 episodes, 2007-2008)

Lisa Zugschwerdt ... second second assistant director (5 episodes, 2013)

Emily Hogan ... first assistant director (4 episodes, 2019)

Mike Gray ... first assistant director (3 episodes, 2005)

Bri Hervey ... miscellaneous (3 episodes, 2007)

Richard Gonzales ... second second assistant director (2 episodes, 2009)

Marc Scizak ... second unit director (2 episodes, 2016-2017)

Christina Lee ... addl second assistant director (2 episodes, 2017)

Daniel Portnoy ... first assistant director (2 episodes, 2018)

Jim Simone ... first assistant director (1 episode, 2005)

Joshua Stickler ... second assistant director (1 episode, 2005)

JoAnne Lowrie ... dga trainee (uncredited) (7 episodes, 2005)