based on a teleplay by Jason Root. based on a teleplay by Brian Clark based on the teleplay by Leslie Valdes based on the teleplay by Duane Capizzi based on the screenplay by Paul Anderson. based on the screenplay by David Koepp based on the screenplay by Darren Lemke based on the screenplay by Susannah Grant based on the screenplay by Alvin Sargent based on a television script by Karen Moonah