John Doman (born January 9, 1945) is an American actor best known for playing Maryland State Police Superintendent, Deputy Police Commissioner and Major William Rawls on HBO series The Wire (2002–2008), Colonel Edward Galson on Oz (2001), Dr. Deraad in ER (1999–2003), Rodrigo Borgia in the international television series Borgia (2011–2014), Don Carmine Falcone in Fox's show Gotham (2014–2017), and Bruce Buttler in The Affair (2014–2019).

Early life and education
Doman was born in Philadelphia, Pennsylvania, and is an alumnus of Northeast Catholic High School. Doman graduated from North in 1962 where he was an All-Catholic League football player and member of the school's Hall of Fame. He received a Bachelor of Arts in English Literature from the University of Pennsylvania in 1966. During his years at Penn, he was a three-year letterman and starting defensive back with the Quakers football team from 1963 to 1965. He also earned a Master of Business Administration degree in marketing from Pennsylvania State University in 1972.

In between his time at Penn and Penn State, Doman served with the United States Marine Corps, beginning with his enrollment in its Officer Candidates School at Quantico, Virginia. He was commissioned a Second Lieutenant in March 1967 and served with the 3rd Marine Division in the Vietnam War.

Following graduation, he spent nearly two decades in the advertising business, starting with a role at SSC&B Advertising and Norman Craig & Kummel. He was one of the first six employees at TBWA New York when it debuted in 1977. Doman concluded his 14 year career with TBWA as Executive Vice President, Head of Business Development, responsible for a new-business program which resulted in Agency of the Year honors from Adweek in 1990. Doman pivoted his career from an advertising executive to a full-time actor when he was cast in a commercial for AT&T in 1991.