Rowan guest-starred in television series such as "The Outer Limits", "Growing Pains", "Da Vinci's Inquest", ' and "Dallas". In 1993, she won a Gemini Award for her work in the television movie "Adrift". In 1995–96 she played Matty Shaw, a funeral parlor operator and gun smith, in the TV series '. In 2002, Rowan guest-starred in four episodes of "Boomtown", playing "Marian", the deceived wife of David McNorris (Neal McDonough). In 2003, she was cast as Kirsten Cohen, a recovering alcoholic mother on "The O.C.", a Fox television series. In 2006, she won a Prism Award for this role. From 2012 to 2015, she starred as Natalie Vincent in the TNT series, "Perception".