Former child actor, also billed as 'Gustl Stark-Gstettenbauer'. Discovered for the stage by the actor Eugen Klöpfer. Often seen in Bavarian mountaineering or Heimatfilms as assorted bucolic or comical characters, including forest rangers, smugglers, hunters etc. From the 1950's, operated a rustic B & B and wine parlor in Hindelang (Allgäu).