The turbulent lives of New York City emergency personnel on the 3-11 pm shift are chronicled in this kinetic drama executive produced by John Wells ('ER'). The series revolves around the personal and professional travails of the 55 Squad, a mixed unit of paramedics, firefighters and uniformed police officers.

Active Cast

Skipp Sudduth John `Sully' Sullivan
Coby Bell Ty Davis Jr.
Anthony Ruivivar Carlos Nieto
Jason Wiles Maurice Boscorelli

Former Cast

Nia Long Sasha Monroe
Josh Stewart Brendan Finney
Kim Raver Kim Zambrano
Michael Beach Monte `Doc' Parker
Eddie Cibrian Jimmy Doherty
Chris Bauer Fred Yokas
Bobby Cannavale Bobby Caffey
Amy Carlson Alex Taylor