LAPD detective Mike Dooley and his dog, the German Shepherd Jerry Lee, have been successfully partnered for ten years, but Jerry’s advancing age has Dooley’s superiors suggesting retirement and they are forced to work with a younger K-9 team: female cop Sergeant Welles and her disciplined Doberman Zeus.
| Actor | Role |
|---|---|
 Jim BelushiMike Dooley | Mike Dooley |
 Christine TucciSergeant Welles | Sergeant Welles |
 James HandyCaptain Byers | Captain Byers |
 Wade WilliamsDevon Lang | Devon Lang |
 Scotch Ellis LoringPhil Cage | Phil Cage |
 J.J. JohnstonFat Tommy | Fat Tommy |
| JJoe PaleseOfficer Perry | Officer Perry |
 Vincent CastellanosHarry Stripe | Harry Stripe |
 Timo FllokoJohnson | Johnson |
 Joe SabatinoGym Counterman | Gym Counterman |
 Ron YuanJackie Hammonds | Jackie Hammonds |
| SSusanna PuistoGirl in Park with Poodle | Girl in Park with Poodle |
 Denise DowseDr. Perkins, DVM | Dr. Perkins, DVM |
 Marla FreesNurse | Nurse |
 Nadja PionillaTerri (uncredited) | Terri (uncredited) |