Fred Stromsoe who plays a sheriff is also the stunt coordinator for the Petrocelli series. In addition to his stunt work Stromsoe has many acting credits including playing Officer Jerry Woods in the Adam-12 TV series.
Pete Ritter keeps a Desert Water Bag hanging on the grill of his vehicle. The canvas bag is filled with and soaked with water. The water stays cool due to evaporation when driving and helps cool the engine.