David Robert Mitchell Director, Screenwriter Andrew Garfield Sam Actor Riley Keough Sarah Actor Topher Grace Man at Bar Actor Patrick Fischler Comic Fan Actor Grace Van Patten Balloon Girl Actor Callie Hernandez Millicent Sevence Actor Zosia Mamet Troy Actor Jeremy Bobb Songwriter Actor Sydney Sweeney Shooting Star Actor Jimmi Simpson Allen Actor David Yow Homeless King Actor Luke Baines Jesus Actor Chris Bender Producer Michael De Luca Producer Adele Romanski Producer Jake Weiner Producer Martin Sprock Executive Producer Daniela Taplin Lundberg Executive Producer Alan Pao Executive Producer David Moscow Executive Producer Mike Gioulakis Cinematographer Julio Perez IV Film Editing Disasterpeace Original Music Michael Perry Production Design Steven Light-Orr Art Director Paul Roome Set Decoration Melody Lavigna Set Decoration Caroline Eselin Costume Design Sande Alessi Casting Mark Bennett Casting