Deborah Rennard
NEW Watch the Trailer
as Sylvia The Man in the Window Released
March 28, 2026 MysteryThrillerTV Movie
From Wikipedia, the free encyclopedia. Deborah Rennard (born November 4, 1959) is an American actress. She remains best known for her recurring role in Dallas as J.R. Ewing's secretary Sylvia "Sly" Lovegren. She appeared in the series from 1981 to 1991 and also in the film J.R. Returns. She also appeared as Harmony in the movie Land of Doom (1986 film) and as Cynthia alongside Jean-Claude Van Damme in the movie Lionheart (1990 film). She is married to writer/producer/director Paul Haggis. Description above from the Wikipedia article Deborah Rennard, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Lionheart
as Cynthia
Kazaam
as Malik's Dinner Mate
Appendage
as Stacy
Gang Related
as Caroline Divinci
Land of Doom
as Harmony
Dallas: J.R. Returns
as Sly Lovegren
Deck the Heart
as Elaine Stein
You Can Never Go Home Again
as May Malcolm
The Families Feud
as Stella the Limo Driver
The Man in the Window
as Sylvia