Dan O'Bannon, Dan O'Bannon, Ron Cobb, Gregory Jein, Bob Greenberg, Harry Walton, John C. Wash, Bill Taylor, Dan O'Bannon, Douglas Knapp, Nick Castle, Les Rumsey, Craig Portman, Jack H. Harris, John Brasher, Nick Spaulding, Nina Kleinberg, Bill Taylor, J. Stein Kaplan, Dan O'Bannon, Cliff Fenneman, J. Stein Kaplan, Dale Beldin, Jack H. Harris, Dan O'Bannon