Lewis Pullman
— Charlie
Maya Hawke
— Julia
Amita Rao
— Ella
Eric Rahill
— Milo
Sophie Lachman
— Gracie
Randall Park
Kerri Kenney
— Charlie’s Mom
Dileep Rao
Kate Berlant
— Tilly
Jake Shane
— Jeff
Lowell Deo
— Edwin
Kyle Chase
— Austin
Kamyar Jahan
— Ramesh
Julia Morizawa
— Lisa / Crying Engineer
Mat Wright
— Arsen
Kate Alden
— Cosmetic Surgeon
Sean Tarjyoto
— Documentarian
Jon Hamm
— Self