In addition to the star-studded Glass Onion cast—which includes Daniel Craig as Detective Benoit Blanc, Edward Norton, Kate Hudson, Kathryn Hahn, Janelle Monáe, Leslie Odom Jr. and Dave Bautista, to name a few—there are a number of cameos in the film. Beware of spoilers ahead!
Glass Onion: A Knives Out Mystery Celebrity Cameos
Joseph Gordon-Levitt’s Glass Onion Cameo
Joseph Gordon-Levitt had a cameo in the original 2019 Knives Out as a voice on a TV show that Marta (Ana de Armas) was watching, though we never saw the star’s face in the film. In another uncredited and unseen cameo, Gordon-Levitt’s voice is the sound of the hourly chime on the island. Scott Angelheart/NBC/Getty Images
Serena Williams’ Glass Onion Cameo
Serena Williams appears as herself in Glass Onion. In the movie, she reads a book called Gravity’s Rainbow during a video call. In the original 2019 Knives Out, Benoit Blanc says that no one has ever read that book. Arturo Holmes/FilmMagic
Hugh Grant’s Glass Onion Cameo
Hugh Grant answers the door to Benoit Blanc’s home when the delivery from Miles arrives. He plays the detective’s partner—personally, not professionally. Ricardo Moreira/Getty Images for Paramount Pictures
Yo-Yo Ma’s Glass Onion Cameo
Legendary cellist Yo-Yo Ma appears at a party Birdie Jay (Kate Hudson) hosts early in the movie. The Grammy winner helps her figure out the puzzle invitation to the island. Brian Stukes/Getty Images
Ethan Hawke’s Glass Onion Cameo
Ethan Hawke appears early in the movie giving the island guests a special incoulation against COVID-19, which enables the movie to progress without the pandemic playing too much of a role in the proceedings from thereon. He’s credited as “Efficient Man.” Director Rian Johnson explained that Hawke was filming Moon Knight in Budapest and came over to Greece for a day to film his scene, then went back to shoot the Marvel series. Samir Hussein/Getty Images
Natasha Lyonne’s Glass Onion Cameo
Russian Doll star Natasha Lyonne is seen chatting with Benoit Blanc in a group Zoom about a game of Among Us. Axelle/Bauer-Griffin/FilmMagic
Kareem Abdul-Jabbar Glass Onion Cameo
Kareem Abdul-Jabbar appears as himself in Glass Onion in a Zoom call with fellow puzzle and game players and Benoit Blanc. Gregg DeGuire/FilmMagic
Angela Lansbury’s Glass Onion Cameo
Angela Lansbury appears in a Zoom call with Benoit Blanc during a game of Among Us. It was her last movie appearance before her passing this year. Frederick M. Brown/Getty Images
Stephen Sondheim’s Glass Onion Cameo
The late Stephen Sondheim is part of the Among Us Zoom chat. Hiroyuki Ito/Getty Images Next, check out the 101 best mystery books of all time.