A Doctor of Conviction (German: Arzt aus Leidenschaft) is a 1936 German drama film directed by Hans H. Zerlett and starring Albrecht Schoenhals, Karl Dannemann and Karin Hardt. It was shot at the Babelsberg Studios in Berlin. The film's sets were designed by the art directors Karl Machus and Ludwig Reiber. It was based on the novel of the same title Carl Unselt, which was later adapted as 1959 West German film remake A Doctor of Conviction .