Horst Caspar was born on January 12, 1913 in Radegast, Saxony-Anhalt, Germany as Horst Joachim Arthur Caspar. He was an actor, known for Epilog: Das Geheimnis der Orplid (1950), Kolberg (1945) and Begegnung mit Werther (1949). He was married to Antje Weisgerber. He died on December 27, 1952 in Dahlem, Berlin, Germany.