Deborah Pratt
Born (1951-12-16) December 16, 1951 (age 69)
Other namesDeborah Pratt-Bellisario
  • Actress
  • writer
  • producer
  • director
Years active1975–present
(m. 1984; div. 1991)
Children2, including Troian Bellisario
RelativesPatrick J. Adams, son-in-law

Deborah M. Pratt (born December 16, 1951) is an American actress, writer, and television producer.

Early life

Pratt was born and raised in Chicago, Illinois, the daughter of Geraldine (née Bryant) and Col. Bertram Roberson Pratt, a vice president of Pullman Heritage Bank. Her parents were both of African-American and Creole descent.[1][2]


Pratt was a co-executive producer and a writer on the Quantum Leap TV series,[3] which was created by her then-husband, Donald Bellisario.[4] Pratt also frequently starred in the show as both the narrator and the voice of "Ziggy".

Pratt also acted in various television series, including Magnum, P.I., Happy Days, The New Odd Couple, Benson, and Airwolf. In 2000, she directed Cora Unashamed for Masterpiece Theatre's The American Collection. In 2009, she reprised her role as Ziggy for the Quantum Leap fan film, A Leap to Di For. Pratt has also published two books.

Personal life

Pratt married producer and screenwriter Donald P. Bellisario on June 30, 1984. They had two children: Troian and Nicholas. They divorced in 1991.[citation needed]



Year Title Role Notes
1981 Elephant Parts Player
1983 Spacehunter: Adventures in the Forbidden Zone Reagan
1988 Last Rites Robin Dwyer
1994 Exit to Eden Dr. Allison
2008 Chinaman's Chance: America's Other Slaves Rachel
2010 Peep World Cassandra Williamson


Year Title Role Notes
1973 The Dean Martin Show Golddigger Episode: "Celebrity Roast: Monty Hall"
1975 Police Woman Kate Episode: "Pattern for Evil"
1978 CHiPs Carol Episode: "Crash Diet"
1978 Love Is Not Enough Susan Television film
1979 Happy Days Kat Mandu Episode: "Fonzie Meets Kat"
1980 Phyl & Mikhy Connie Episode: "Phyl's Wedding"
1980 Katmandu Kat Mandu Television film
1981 Grambling's White Tiger Jennifer
1982 Strike Force Loretta Episode: "Humiliation"
1982 She's with Me Bonnie Madison Television film
1982 The New Odd Couple Sandra Episode: "The Odd Triange"
1983 Prime Times Various Television film
1983 Benson Jill Fletcher Episode: "Who's Arnold?"
1983 Gimme a Break! Vanessa Episode: "The Way to a Man's Heart"
1984 Days of Our Lives Lacey Parker 6 episodes
1984 Magnum, P.I. Gloria 4 episodes
1984–1985 Airwolf Marella 14 episodes
1987 Three on a Match Sissy Television film
1987 Hunter Sandra Browning Episode: "Flashpoint"
1989–1993 Quantum Leap Narrator / Ziggy / Troian Claridge 65 episodes
1992 Tequila and Bonetti Nicole Episode: "A Perfect Match"


  1. ^ "Col. Bertram Roberson Pratt". Chicago Tribune. December 7, 1991. Retrieved June 24, 2020.
  2. ^ "15 Celebrities Most People Don't Know Are Black | Page 8". September 18, 2013. Retrieved June 20, 2015.
  3. ^ "There's A Week Of Quantum Leap". Eugene Register-Guard. June 24, 1991. p. 4C. Retrieved September 24, 2011.
  4. ^ "Producer takes a leap with 'Liberation' script". The Orlando Sentinel. Tribune Media Services. January 5, 1993. p. 2. Retrieved May 16, 2021 – via