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Kevin Dunn (born August 24, 1956, Chicago, Illinois)1 is an American character actor known for his versatile supporting work across four decades of film and television. He is widely recognized for playing Ron Witwicky in Michael Bay's Transformers franchise and White House Chief of Staff Ben Cafferty in HBO's political comedy Veep.1 He appeared in Ghostbusters II (1989) in the uncredited role of Milton Angland.
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Dunn was born in Chicago to John Dunn, a musician and poet, and Margaret East, a nurse. He is of Irish, English, Scottish, and German ancestry and was raised Catholic.1 His sister is actress and comedian Nora Dunn (born 1952); his brother Michael Dunn works as a high school history teacher and football coach.1
He attended Illinois Wesleyan University, graduating in 1977 with a degree in theater. The university later awarded him an honorary doctorate in 2008.1 Before breaking into film and television, Dunn worked extensively in Chicago-area live theater, including productions at Northlight Theatre, Remains Theatre, Wisdom Bridge Theatre, and the Goodman Theatre.1
Dunn made his first television appearance in 1986 and quickly built a reputation as a dependable supporting player capable of inhabiting authority figures, bureaucrats, and everyday fathers with equal ease.1
Among his early film credits was the role of FBI Agent Bird in Alan Parker's Mississippi Burning (1988), a critical and awards-season film that announced him as a quality supporting presence.1 His Ghostbusters II appearance followed in 1989. Early in his career he was considered for the role of George Costanza during the Seinfeld casting process, ultimately losing the part to Jason Alexander; he did make a brief appearance in the series in 1990.2
In the 1990s he appeared in a string of major studio productions: the action comedy Hot Shots! (1991), the Ridley Scott historical epic 1492: Conquest of Paradise (1992), Ivan Reitman's political comedy Dave (1993, as White House Communications Director Alan Reed), Oliver Stone's Nixon (1995, as Charles Colson), and Brian De Palma's Snake Eyes (1998).1 That same year he played U.S. Army Colonel Anthony Hicks in Roland Emmerich's Godzilla (1998) and Stuart Abernathy in Joe Dante's Small Soldiers (1998), also voicing Colonel Hicks in the animated follow-up Godzilla: The Series (1998-2000).3
His most commercially prominent film role came with the Transformers franchise: he played Ron Witwicky, the affable father of protagonist Sam Witwicky, across Transformers (2007), Transformers: Revenge of the Fallen (2009), and Transformers: Dark of the Moon (2011).1 Other notable film work includes Stir of Echoes (1999), Tony Scott's Unstoppable (2010, as railroad operations vice president Oscar Galvin), and King Richard (2021, as tennis coach Vic Braden).1
On television, Dunn was a series regular on the ABC comedy Samantha Who? (2007-2009, 35 episodes) and contributed a recurring dramatic turn as Major Ken Quesada in the first season of True Detective (2014).3 His career-defining television role arrived with HBO's Veep, where he played the perpetually exasperated White House Chief of Staff Ben Cafferty across all seven seasons (2013-2019, 54 episodes).1 He appeared in The Mosquito Coast (2021) as Margot's father.3 Earlier television credits include appearances on Cheers and 7th Heaven.1
Dunn also served as executive producer on the documentary Kumpanía: Flamenco Los Angeles (2011).1
In Ghostbusters II (1989), directed by Ivan Reitman, Dunn played Milton Angland in an uncredited supporting role. The character is one of the ensemble of New York figures woven through the film. Reitman later directed Dunn a second time in Dave (1993) and a third time in Draft Day (2014), making Dunn one of a small group of actors who appeared in multiple Reitman-directed films across different decades.1
Dunn married Katina Alexander in 1986. They have a son named Jack.1
Some content on this page was researched using the Ghostbusters Wiki on Fandom.
"Kevin Dunn," Wikipedia, accessed 2026-06-13, https://en.wikipedia.org/wiki/Kevin_Dunn. ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13 ↩14 ↩15 ↩16
The Things, "Seinfeld's Worst Rated Episode Featured A Guest-Starring Role From The Actor That Was Supposed To Play George Costanza" (accessed 2026-06-13), https://www.thethings.com/seinfelds-worst-rated-episode-featured-a-guest-starring-role-from-kevin-dunn-who-was-supposed-to-play-george-costanza/. ↩
"Kevin Dunn," IMDb, accessed 2026-06-13, https://www.imdb.com/name/nm0242656/. ↩ ↩2 ↩3