Harold Moss is an American animator and social activist.^[1][2]

Moss was trained as a documentary filmmaker.^[1]

In 1999, Moss founded FlickerLab, a Manhattan-based animation studio.^[3][4][5] It is also known for acquiring the Cartoon Broadcast System, invented in 1996, which is used to broadcast animations the same day they are produced.^[6]

In 2002, Moss created the animation and provided the voices for a segment of the documentary Bowling for Columbine. The segment was titled A Brief History of the United States.^[7]

Moss is also the co-founder of the Climate Ad Project, which he co-founded with Peter Kalmus.^[8][1]

• This Modern World (2001)^[9]
• Saddle Rash (2002)^[9]
• A Brief History of the United States in Bowling for Columbine (2002)^[9]
• The Finkel Files (2003)^[9]
• Drew Carey's Green Screen Show (2004)^[10][11]
• Fahrenheit 9/11 (2004)^[9]
• Fierce People (2006)^[9]
• Trouble the Water (2008)^[9]
• Prana (2008)^[9]
• P.O.V. (2009)^[9]
• The Wild Life (2009)^[9]
• Capitalism: A Love Story (2009)^[9]
• Fat, Sick and Nearly Dead (2011)^[9]
• Joy Berry's Handling Emotions (2012)^[9]
• Even Gray Feels Blue (2012)^[9]
• Keith Lemon: The Film (2012)^[9]
• How the Body Works with Chloe and the Nurb (2013)^[12]
• Eviolent (2013)^[9]
• Story of a Curse (2014)^[9]
• Fat, Sick & Nearly Dead 2 (2014)^[9]
• National Lampoon: Drunk Stoned Brilliant Dead (2015)^[9]
• Thank You for Your Service (2015)^[9]
• With a Kiss (2016)^[9]
• Roseanne for President! (2016)^[9]
• Rooted in Peace (2016)^[9]
• Michael Moore in TrumpLand (2016)^[9]
• Hamilton's America (2016)^[9]
• Some Girls (2017)^[9]
• Strong Island (2017)^[9]
• Fahrenheit 11/9 (2018)^[9]
• Bleed Out (2018)^[9]
• The Andorra Hustle (2020)^[9]

• 2009: Gotham Award and Academy Award nomination for the Trouble the Water^[13][14]
• 2010: Official Prix Jeunesse selection for The Wild Life