ER · S09E01
Chaos Theory
Summary
Dr. Carter, Abby and other staff of the ER are quarantined as the CDC investigate a mysterious, deadly outbreak.
Guest stars
- Troy Evans as Frank Martin
- John Aylward as Donald Anspaugh
- Diane Delano as Delores
- Perry Anzilotti as Perry
- Jillie Mack
- Deezer D as Malik McGrath
- Laura Cerón as Chuny Marquez
- Judy Parfitt as Isabelle Corday
- Demetrius Navarro as Morales
- Lily Mariye as Lily Jarvik