Julie Andrews may not be in Mary Poppins Returns But she has a role in another hit movie.
The 83-year-old lady is expressing a creature known as Karathen, a mythical underwater being that is more important to Jason Mamoa's Arthur Curry than he believes, according to Entertainment Weekly.
Karathen holds the key to Curry's journey to unite Atlantis and the surface world, the magazine reported.
"We wanted Karathen to have the voice of a classic British actress, albeit somewhat digitally altered," Peter Safran, Aquaman producer, said to the exit.
"And when we realized that Julie was interested, available and willing to do it, it was very easy to choose her," she said.
Safran added: "Who knew that Aquaman Would you have the real Mary Poppins this Christmas?
While Andrews will be in Aquaman, which will be released on December 21, will not appear in May Poppins Returns – What also comes next month.
RELATED: Emily Blunt says her version of Mary Poppins It's hilarious and incredibly rude
Emily Blunt plays Mary Poppins in the highly anticipated sequel, and tells PEOPLE Editor-in-Chief Jess Cagle that her version "is shocking, eccentric, hilarious and incredibly rude and vain."
"I like the idea that she sweeps and takes care of everything and makes everything great," he said. "It was just joyful."
Aquaman Nothing in theaters on December 21.
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