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Fame Burst

Who Replaced Miley Cyrus As Mainframe?

Author

Mason Cooper

Updated on March 07, 2026

James Gunn told BuzzFeed News in 2017 that he originally cast Miley Cyrus to voice Mainframe due to her innate likability, which he noticed during her judging gig on "The Voice." "I was admiring the tone of Miley Cyrus's voice. I find her funny and likable and sweet. I liked that she cared about the contestants. So I was like, I think she would be a funny person to have as a voice [in Guardians of the Galaxy Vol. 2]. So we contacted her, and she said yes. She came in and recorded, and she was a delight to work with."

As for Tara Strong, this definitely isn't her first time behind a microphone — she's known for voicing Timmy Turner on "The Fairly OddParents," Bubbles from "The Powerpuff Girls," Dil Pickles from "Rugrats," Twilight Sparkle from "My Little Pony: Friendship is Magic," and dozens of other famous animated characters. It's also her second time voicing a character in the MCU — she provides the voice of Ms. Minutes for Disney +'s "Loki" series