As the very respectable Doc Baker, Kevin Hagen starred in the television series, as well as in one of the Little House movies. He also played the villain Inspector Kopick in the TV series Land of the Giants, a complete reversal of roles..

   1.The Ambulance (1990)
   2.Little House on the Prairie: Look Back to Yesterday (1983) (TV)
   3.The Hunter (1980)
   4.Little House on the Prairie (1974) (TV Series)
   5.The Soul of Nigger Charlie (1973)
   6.Weekend of Terror (1970)
   7.Land of the Giants (1968-70) (TV Series) 
   8.Shenandoah (1965)
   9.The Man From Galveston (1963)
  10.Pork Chop Hill (1959)
  11.Gunsmoke in Tucson (1958)