The Great Commandment is a 1939 American Christian film directed by Irving Pichel, which portrays the conversion to Christianity of a young Zealot, Joel, and the Roman soldier Longinus through the teachings of Jesus in his Parable of the Good Samaritan. It was co-produced by Rev. James K. Friedrich and released by Cathedral Films in 1939. Its theatrical release was in 1941 by Twentieth Century Fox.