2. Miley Cyrus

Pop sensation Miley Cyrus made a surprising leap into the Marvel Cinematic Universe with her voice role in Guardians of the Galaxy Vol. 2. Cyrus lent her distinctive voice to the character of Mainframe, an artificial intelligence and a member of the Ravagers.
While her appearance is limited to a short post-credits scene, it was enough to leave fans buzzing about her unexpected involvement. This cameo showcases Cyrus’s ability to step beyond her music career and into the realm of superhero films, adding a unique touch to the cosmic adventures of the Guardians.