Richard Burton, playing Gallio, heads a large-scale production with vibrant costumes and scenery, centering on a Roman officer who finds himself at odds with an exaggerated portrayal of Caligula by Jay Robinson during a slave sale. As a consequence, he and the slave Demetrius, portrayed by Victor Mature, are sent to Judea. There, under orders from Pontius Pilate, he’s tasked with overseeing the crucifixion of Christ,…