Mann has worked as a television and film writer since writing the "NYPD Blue" episode "Tea and Sympathy" in 2000. She has won three awards, all in 2001 for her first film as a director, "Morning". These included the Audience Award at Dahlonega International Film Festival, Grand Prize for best directorial debut and Gold Award for Independent Theatrical Feature Films – First Feature. Her 2011 film, "Texas Killing Fields", screened in competition at the 68th Venice International Film Festival in September. "Jackie &amp; Ryan", her romance film starring Katherine Heigl and Ben Barnes, screened in the Horizons section at the 71st Venice International Film Festival.