 At the height of his film career, during the decade of the 1930s, Wieman acted in such productions as "Man Without a Name", "L'Atlantide", "The Countess of Monte Cristo", "Fräulein Hoffmanns Erzählungen", "The Rider on the White Horse", "Victoria", "Patriots", and "Togger".In 1936 Wieman produced the Frankenburger Würfelspiel of the Nazi playwright Eberhard Wolfgang Möller in association with the 1936 Summer Olympics and the inauguration of the Dietrich-Eckart-Bühne, and also played the Black Knight.He also had an international success with his appearance in "The Eternal Mask".