. "Heinrich Gretler (1897\u20131977) was a Swiss film and television actor, who also starred on stage at the Bernhard-Theater Z\u00FCrich."@en . "1977-09-30Z"^^ . "Heinrich Gretler"@en . . "Gretler, Heinrich"@en . . . "1897Z"^^ . "Swiss actor" . "1977Z"^^ . "1897-10-01Z"^^ . .