Scott Aukerman Director, Screenwriter, Producer Zach Galifianakis Zach Galifianakis Actor, Screenwriter, Producer Lauren Lapkus Carol Actor Ryan Gaul Cam Actor Jiavani Linayao Boom Boom Actor Ginger Gonzaga Will's Receptionist Actor Mary Scheer Frannie Scheindlin Actor Janie Haddad Tompkins Trish Actor Robert R. Shafer Dad Actor Will Ferrell Will Ferrell Actor Ryder Blackburn Marcus Actor Mandell Maughan Nic Jeffries Actor Gabriel Gundacker The Piñata Man Actor Wayne Gonce Audience Member Actor Phil Hendrie Bill Yum Actor Rekha Shankar Gaya Actor Mike Ivy Jim Handle Actor Olivia Mekdara Amella Actor Matt Besser Mike Burcho Actor Mary Holland Gerri Plop Actor Lauren Ashley Smith The Mysterious Donna Actor Phil Abrams The Bubble Artist Actor Chloe Wepper Claudia Actor Edi Patterson Shirl Clarts Actor A.D. Miles Michael Actor Blake Clark Earl Canderton Actor Paul Rust Eugene Tennyson Actor Paul F. Tompkins Burnt Millipede Actor Mary Sohn Tina Actor Will Hines Jamie Kandt Esq Actor Hailee Steinfeld Self Keanu Reeves Self Brie Larson Self Benedict Cumberbatch Self Tessa Thompson Self Matthew McConaughey Self Jon Hamm Self Rashida Jones Self Adam Scott Self Tiffany Haddish Self Peter Dinklage Self Chrissy Teigen Self Jason Schwartzman Self John Cho Self John Legend Self Chance the Rapper Self David Letterman Self Paul Rudd Self Bruce Willis Self Awkwafina Self Mike Brewer Self Walter Martin Self Gal Gadot Self Caitlin Daley Producer Mike Farah Producer Lindsay Rodger Executive Producer Benjamin Kasulke Cinematographer Brendan Walsh Film Editing Hank Friedmann Film Editing Susie Mancini Production Design Brett Hatcher Art Director Nicole Abellera Casting Jeanne McCarthy Casting Leslie Woo Casting