This story originally appeared at Do You Remember by Jane Kenney.

With Easter coming up later this month, that means Cecil B. DeMille’s 1956 The Ten Commandments will be airing on television screens across the nation. Airing the movie each year before Easter has become a tradition in households all over America. The movie tells the story of Moses and how he learns of his true Hebrew heritage and his divine mission of being a deliverer of his people.

The film has since garnered seven Academy Awards including Best Motion Picture, Best Special Effects, Best Color Art Direction, Best Cinematography, Best Color Costume Design, Best Film Editing, and Best Sound Recording. It’s a classic film with some facts you may not have even heard of!

1. Yul Brenner (Rameses II) bulked up for his role

Once Yul Brenner learned that he would be playing a role shirtless for the better part of the film (and also playing the role opposite Charlton Heston as Moses) he began a very rigorous weight training program to bulk up. He didn’t want to be physically overshadowed by or compared to Heston!

2. No one received on-screen credit for the voice of God

There’s a bit of confusion when it comes to who actually voiced God in the film. Wikipedia officially credits Charlton Heston(Moses) as the voice of God at the burning bush, although he was uncredited. DeMille’s publicist and biographer, Donald Hayne, confirmed this but said that he (Hayne) provided the voice of God giving the Ten Commandments.

3. The Red Sea was actually Jello

The scene of the parting of the Red Sea was achieved by using large dunk tanks flooded with Jello. The film was then shown in reverse to achieve the illusion of the sea being “parted.” Gelatin was added to the tanks to give the water a sea-like consistency!

4. Charlton Heston’s son was the infant Moses

Charlton Heston, who played the role of the adult Moses, actually had a son who played the infant Moses shown at the beginning of the film! His newborn son Fraser was about three months old at the time and DeMille purposely planned out the timing of the scene so Fraser would be taken out of the basket at the same age that the real-life baby Moses was!

5. Director DeMille was inspired by Michelangelo’s Moses

Director DeMille picked Charlton Heston for the role because he resembled Michelangelo’s statue of Moses in Rome, Italy.

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Check out the video below of the iconic parting of the Red Sea scene from the 1956 film The Ten Commandments: