'Anomalisa' trivia and fun facts

The song that Lisa sings to Michael would be originally 'My Heart Will Go On' by Celine Dion, but was changed for Cyndi Lauper's 'Girls Just Want to Have Fun' due to the inability to obtain the rights for the Titanic's song.

Tom Noonan voiced all the characters in the film, except for the two protagonists.

The song the Geisha doll sings at the end of the movie is a real Japanese children's song called "Momotaro" that tells the story of a boy sent from Heaven.