En slem Dreng is a 1915 Danish silent film directed by Lau Lauritzen Sr. The film stars Lauritz Olsen [da] and Gyda Aller [da].

• Lauritz Olsen - Karl King, forfatter
• Gyda Aller - Frøken Mimim, Karl kæreste
• Oscar Stribolt - Brumberg, Karls onkel
• Henny Lauritzen - Fru Brumberg
• Frederik Buch - "Drengen"
• Carl Schenstrøm - Læreren
• Julie Henriksen

• Danish Film Institute
• En slem Dreng at IMDb