Bobbin Bergstrom is the person apart from the original six cast members who has appeared in more episodes than any other actor or actress. She often appears on-screen as the Nurse character and is a Registered Nurse in real life. She has also been the on-set medical advisor for the series since the Season 1 episode Paternity. She appeared on-screen for the first time in Role Model. At the end of Season 6, she had appeared in 90 episodes.
Bergstrom has also worked on Gideon's Crossing, Felicity and The Guardian
- Appeared with Joshua Malina on Scandal
- Appeared with Myndy Crist on Six Feet Under
- Appeared with Alan Rosenberg on The Guardian
- Appeared with Greg Grunberg, Lisa Edelstein and John Prosky on Felicity