William Smith, James Hong and Tim Thomerson has all previously been on Hunter.
William Smith played Sgt. Neville Sigerson in season 2, episode 11 called " Think Blue".
James Hong played Chang in season 2, episode 2 called " Night of the Dragons".
Tim Thomerson played Police Det. Gil Glasgow in season 1, episode 7 called " Pen Pals"
and he played Police Sgt. Harry Traynor in season 3, episode 2 called "Change Partners and Dance".