Dr. X based on a play by Howard W. Comstock and Allen C. Miller - Curtiz, Michael 1888-1962; Tasker, Robert; Baldwin, Earl; Comstock, Frank 1922-2013; Miller, Allen C.; Towers, Richard; Atwill, Lionel; Wray, Fay 1907-2004; Tracy, Lee (First National Pictures, 1932)