20 Films You Didn't Realise Ghostbusters Actors Were In

11. William Atherton - Jersey Shore Shark Attack

William Atherton played Walter Peck, the stubborn and arrogant lawyer representing the Environmental Protection Agency in the first Ghostbusters movie, and has more recently played greedy developer Dolan in the Syfy-exclusive Jersey Shore Shark Attack movie from 2012. You almost feel he deserves the fall from grace for portraying such an dick in Ghostbusters. Almost.