Gustav Czopp (who went by the name of Gustaaf Czopp) joined the AVRO broadcasting network in the 1930s. He worked on radio plays and as a quizmaster. From 1934 he was a reporter for AVRO's Radio Journaal news. He acted with the N.V. Theater, the Vereenigde Schouwspeler and the Kunstcabaret De Toovenaar.
P.H. Honig (ed.), Acteurs- en Kleinkunstenaarslexicon. 3200 namen uit 100 jaar Nederlands tonee…