The eldest of three, he was born and raised in
Harlem. Denison is most recently known for his role as Lieutenant Andy Flynn in
The Closer (2005–2012) and its
spin-off Major Crimes (2012–2018). He is well known for his role as
mob boss Ray Luca on the
NBC crime drama Crime Story (1986–1988). Afterwards, he starred and guest-starred in several crime movies and television programs, notably as
undercover agent John Henry Raglin in
Wiseguy (1987–90),
The Great Escape II: The Untold Story (1988),
City of Hope (1991), as
Joey Buttafuoco in
The Amy Fisher Story (1993), as
John Gotti in
Getting Gotti (1994),
Criminal Passion (1994), and as
head coach Mike George in
ESPN's drama series
Playmakers (2003). He appeared in season one, episode three, of
Charmed (1998-2006) as the father of the Halliwell sisters. In 2005, he appeared on
Criminal Minds as Sgt. Weigart, a role he reprised in 2020 for one episode. He played Detective Buroughs in
Karla (2006). He had a
recurring role as
Aldo Burrows on the
Fox series
Prison Break (2005–2009). In 2000, he played the role of a killer for hire in
Walker, Texas Ranger (1993–2001). Denison embodied "Government Investor" in the 2011 Frankie Muniz superhero film
Pizza Man. Denison played "the General" in the
VR movie
Agent Emerson. == Filmography ==