Matt Passmore acted as Detective Senior Constable Warwick Mobbs in the series Underbelly 2. He is a member of the NSW Police Homicide Squad, later recruited to the Australian Federal Police.

Warwick Mobbs was involved with the investigation into Donald Mackay´s disappearance. He fell afoul of corrupt fellow officers in the NSW Police.

He is the first to suspect Bob Trimbole was a major player in Australian crime.