Ingo Rademacher (born 22 April 1971) is a West German-born, Australian television actor, perhaps best known for his role of Jasper "Jax" Jacks on the American daytime soap opera General Hospital, which he has played almost continuously since the role's inception in 1996. In 2012, he played Officer Sacks in the film Alex Cross. Rademacher placed 5th on the 16th season of Dancing with the Stars.