Gabriel Pascal went on to produce only one more Shaw film, the 1952 version of Androcles and the Lion, which he did not direct.
Gabriel Pascal went to Egypt to collect sand to get the right color.
During filming, Vivien Leigh had a miscarriage which delayed production for 5 weeks.
First feature film of Peter Bayliss.
First feature of Zena Marshall.
First shown on television the same week as a live TV broadcast of "Caesar and Cleopatra", which was telecast as part of the NBC anthology "Producers Showcase".
It was the last film version of a George Bernard Shaw play made during his lifetime. His verdict afterward on Leigh's performance: "She's not right at all."
The film was the costliest studio production made in Great Britain at the time.
The role of Caesar was originally offered to John Gielgud, who turned it down because he detested Gabriel Pascal.
This movie was shot during WW2 which resulted in production being halted repeatedly due to bombings on England. The war also hampered the production's ability to get necessary materials, so the crew had to do the best they could.