Detective Charlie Hudson works alongside Rex, a multi-purpose German Shepherd with sensory skills sharp enough to help track down the city's most elusive criminals. 👥 Original Core Cast John Reardon as Detective Charlie Hudson Diesel vom Burgimwald (and later his relatives) as Rex Mayko Nguyen as Dr. Sarah Truong Kevin Hanchard as Superintendent Joe Donovan Justin Kelly as Jesse Mills ⚠️ Recent Controversies & Status
During Season 7, lead actor was diagnosed with tonsil cancer. He took a leave of absence to undergo successful medical treatment. Upon receiving a clean bill of health and being cleared to return to work, Reardon stated that the production team informed him they were "going in a different direction" and essentially let him go. 2. Death of the Original Canine Star Hudson & Rex
, the beloved German Shepherd who played Rex for the first six seasons and the start of Season 7, was humanely euthanized in August 2024 after a battle with cancer. The role was taken over by his nephews and cousins. 3. Season 8 and 9 Upheaval He took a leave of absence to undergo