ER Season 15 Characters & Cast — No Spoilers
Every character in ER season 15 with photos and the actors who play them, including Maura Tierney, Parminder Nagra, Linda Cardellini — spoiler-free, nothing from later seasons.
- Abby Lockhart — played by Maura Tierney
- Neela Rasgotra — played by Parminder Nagra
- Samantha Taggart — played by Linda Cardellini
- Archie Morris — played by Scott Grimes
- Simon Brenner — played by David Lyons
- Catherine Banfield — played by Angela Bassett
- Tony Gates — played by John Stamos
- Frank Martin — played by Troy Evans
- Tracy Martin — played by Emily Rose
- Daria Wade — played by Shiri Appleby
- Haleh Adams — played by Yvette Freeman
- Claudia Diaz — played by Justina Machado
- Andrew Wade — played by Julian Morris
- Alex Taggart — played by Dominic Janes
- Ryan Sanchez — played by Victor Rasuk
- John Carter — played by Noah Wyle
- Lucy Moore — played by Ariel Winter
- Jerry Markovic — played by Abraham Benrubi
- Joanie Moore — played by Hedy Burress
- Sarah / Sarah Riley — played by Chloe Greenfield
All seasons of ER: full spoiler-free character guide