<P> The series is known for its instrumental theme song composed by Barry De Vorzon which became a number - one hit single in 1976 for Rhythm Heritage . The title sequence that used that piece was also familiar with the principal characters responding to a muster signal, grabbing their weapons and running to their specially equipped transport van driven by "Sam", an uncredited, non-speaking role . </P> <P> The show's setting was rarely, if ever, specified and the shoulder patch the team members wore on their uniforms said, "W.C.P.D." Richard Kelbaugh, a former member of the LAPD's S.W.A.T. team, was the technical advisor for the series . </P> <Ul> <Li> Steve Forrest as Lt. Dan "Hondo" Harrelson (team leader) </Li> <Li> Robert Urich as Officer Jim Street </Li> <Li> Rod Perry as Sgt . David "Deacon" Kay </Li> <Li> Mark Shera as Officer Dominic Luca </Li> <Li> James Coleman as Officer T.J. McCabe (scout / sniper) </Li> <Li> Ellen Weston as Betty Harrelson (recurring role) </Li> <Li> Rose Marie as Hilda (recurring role) </Li> </Ul> <Li> Steve Forrest as Lt. Dan "Hondo" Harrelson (team leader) </Li>

Who played in the original swat tv show