Leigh McCloskey is an American actor, artist and author best known for his role as Mitch Cooper, the husband of Lucy Ewing Cooper, in the prime time soap opera Dallas, from 1980–1982 and again in 1985 and 1988.
McCloskey was classically trained as an actor at the Juilliard School in Lincoln Center, New York. He began his professional acting career playing Billy Abbott in the original miniseries Rich Man, Poor Man (1976) starring Nick Nolte and Peter Strauss.
He went on to star in three nighttime television series: Executive Suite, Married: The First Year, and is perhaps most widely known for his role as Lucy Ewing's husband Mitch Cooper on the CBS nighttime soap opera Dallas.
In 1978, he married production executive Carla Reinke, and they have two daughters: Caytlyn Alexander and Brighton Aubreigh.
McCloskey starred in numerous made-for-television films and miniseries including The Bermuda Depths (1978) with Connie Sellecca, Dawn: Portrait of a Teenage Runaway (1976) and its sequel Alexander: The Other Side of Dawn (1977) in which he played the title role.
He starred with Kris Kristofferson in Trouble Shooters: Trapped Beneath the Earth (1993) and with his Dallas co-star Linda Gray in Accidental Meeting (1994). He also co-starred with Brooke Shields and Scott Glenn in the television miniseries Gone But Not Forgotten (2005).
McCloskey has also had made numerous films including Fraternity Vacation (1985) with Tim Robbins, Just One of the Guys (1985), Cameron's Closet (1988), and the cult classic Inferno (1980) directed by Dario Argento, among others.
McCloskey has guest-starred on numerous television series and pilots including Medical Center, Jake and the Fatman, Life Goes On, Star Trek: Deep Space Nine, Star Trek: Voyager, Chicago Hope, JAG, Bones and many others.
He has played villains on four sci-fi television series: Star Trek: Deep Space Nine, Star Trek: Voyager, Babylon 5 and Buck Rogers in the 25th Century with Dorothy Stratten.
He has also appeared in a number of daytime soap operas, including General Hospital, One Life to Live, The Young and the Restless and Santa Barbara. McCloskey has played unrelated characters on three television series: The Love Boat, Hotel and Santa Barbara.