He came to prominence as a teen idol in the 1980s, appearing in teen and young adult film roles in The Outsiders (1983), Oxford Blues (1984), St. Lowe appeared as Robert Mc Callister on the ABC television drama Brothers & Sisters (2006–2010), followed by a four-year run as Chris Traeger on the NBC sitcom Parks and Recreation (2010–14), for which he was critically acclaimed. Ethan Willis on the CBS medical drama Code Black (2015–) and appears with his two sons, Matthew and Jon Owen, in the A&E reality series The Lowe Files (2017–).
Thereafter, his film career decreased and he ventured into television, making his breakthrough as Sam Seaborn on the NBC political drama The West Wing (1999–2003), for which he received a Primetime Emmy Award nomination and two Golden Globe Award nominations.
After her stint in hospital, she visited Italy for treatment and was rediagnosed with the illness.'I knew it was bad but I didn't know it was that bad in a way,' Marion admitted.
Lowe was drawn to the role because of his personal love of politics, and his longstanding personal relationship with Martin Sheen, who was cast as President Bartlet.
When the show premiered, Seaborn was considered the lead, and the pilot centered on the character.
Marion said she now has to restrict where she can travel.'I need to very careful in my travelling schedule, avoid some countries,' she explained.
Marion is now looking to get married and start a family, revealing that she's 'looking' for a man.