William Mockridge (born 28 July 1947) is a Canadian actor and Kabarett performer based in Germany.

He became known to a broad public through his portrayal of Erich Schiller in the WDR series Lindenstraße.

He became known to a wide audience as Erich Schiller in the ARD series Lindenstraße, which he played from 1991 until the end of 2015.

In 2015, he hosted the Golden Internet Prize for Seniors in Berlin, where pioneering online projects are being honored under the patronage of the German Federal Ministry of the Interior.

[1] Mockridge is married to Italian-German actress Margie Kinsky and lives in the Endenich district of Bonn.