Jasper "Jax" Jacks is a fictional character on the ABC daytime soap opera General Hospital. He is the son of the late, John Jacks and his late wife, Lady Jane Jacks. He is portrayed by Ingo Rademacher, who has been on the series since 1996. In 2008, Gideon Emery replaced Ingo Rademacher for three episodes. Ingo left in August 2011, but has subsequently made returns to the show.