The Lincoln Conspiracy is a 1977 drama film directed by James L. Conway that dramatizes certain conspiracy theories concerning the 1865 assassination of U.S. President Abraham Lincoln. Adapted from the 1977 book of the same name by David W. Balsiger and Charles E. Sellier Jr., the production stars Robert Middleton as Secretary of War Edwin M. Stanton, John Dehner as Colonel Lafayette C. Baker, Bradford Dillman as John Wilkes Booth, Ted Henning as Robert Campbell, and John Anderson as Lincoln.