Domee Shi Director, Screenwriter Patrick Baehr Aaron Z. (4*Town) Voice Franziska Trunte Abby Voice Marianne Groß Grandma , Grandma Panda Voice Collien Monica Fernandes Helen Voice Nico Stank Jesse (4*Town) Voice Florian Clyde Jin Voice Christina-Ann Zalamea Lily Voice Jenniffer Kae Ming (jung) Voice Christin Marquitan Ming , Panda Ming Voice Frederic Phung Aaron T. (4*Town) Voice Tim Schäcker Devon Voice Lana Finn Marti Meilin , Panda Meilin Voice Julia Cho Screenwriter Lindsey Collins Producer Dan Scanlon Executive Producer Pete Docter Executive Producer Mahyar Abousaeedi Cinematographer Jonathan Pytko Cinematographer Nicholas C. Smith Film Editing Ludwig Göransson Original Music Rona Liu Production Design Laura Meyer Art Director Natalie Lyon Casting Kevin Reher Casting