Film:
* The Adventures of Ford Fairlane (1990): He played the character "Johnny."
* The Silence of the Lambs (1991): He played the role of "Prison Guard."
* The Waterboy (1998): He portrayed the character "Ricky."
* The Gift (2000): He played "Joe."
* The Man Who Wasn't There (2001): He was cast as "Detective Lund."
* The Last Supper (2001): He had a role as "Dave."
* The Texas Chainsaw Massacre (2003): He played "Sheriff Hoyt."
* The Dukes of Hazzard (2005): He portrayed "Cletus Hogg."
* The Informant! (2009): He played the role of "Mark Whitacre's Attorney."
* The Twilight Saga: Eclipse (2010): He was cast as "Garrett."
* The Twilight Saga: Breaking Dawn – Part 1 (2011): He reprised his role as "Garrett."
* The Twilight Saga: Breaking Dawn – Part 2 (2012): He played "Garrett" again.
* The Interview (2014): He had a role as "General."
* The Nice Guys (2016): He played "Detective Jackson."
Television:
* The X-Files (1993-2016): He appeared in the episode "The List" as "The Assistant."
* The Adventures of Brisco County Jr. (1993-1994): He played the character "Deputy."
* Walker, Texas Ranger (1993-2001): He was in several episodes as different characters.
* ER (1994-2009): He appeared as "Bob the Paramedic."
* The Pretender (1996-2000): He played "Officer Barnes."
* JAG (1995-2005): He had a role as "Dr. Gordon."
* The Shield (2002-2008): He was cast as "Captain David Aceveda."
* CSI: Crime Scene Investigation (2000-2015): He appeared as "Deputy Coroner."
* Without a Trace (2002-2009): He played "Detective."
* Criminal Minds (2005-2020): He had several guest appearances.
* Sons of Anarchy (2008-2014): He was cast as "Sheriff Eli Roosevelt."
* True Blood (2008-2014): He played the role of "Alcide Herveaux's Dad."
* The Walking Dead (2010-2022): He played the character "The Governor."
* The Blacklist (2013-2023): He played the role of "Agent."
* Justified (2010-2015): He played "Detective Mike."
This is not an exhaustive list, but it represents some of Marc Wasserman's most prominent roles in film and television. He is known for his versatility and for portraying a wide range of characters, often in gritty and dramatic roles.