Here's the main cast of "Life on Mars" (2006):
* John Simm as Detective Inspector Sam Tyler
* Philip Glenister as Detective Inspector Gene Hunt
* Liz White as Annie Cartwright
* Dean Lennox Kelly as Ray Carling
* MyAnna Buring as WPC Maya
* Jason Flemyng as D.I. Chris Skelton
* Marshall Lancaster as DC "Ginger" Hobbs
There were also a number of recurring guest stars in the series.
Let me know if you were looking for a different show, and I'll do my best to help!