Dean Parisot Director Keanu Reeves Ted Actor, Executive Producer Alex Winter Bill Actor, Executive Producer Kristen Schaal Kelly Actor Samara Weaving Thea Actor Brigette Lundy-Paine Billie Actor William Sadler Death Actor, Executive Producer Anthony Carrigan The Robot Actor Erinn Hayes Elizabeth Actor Jayma Mays Joanna Actor Amy Stock-Poynton Missy Actor Holland Taylor The Great Leader Actor Scott "Kid Cudi" Mescudi Self Jillian Bell Dr. Taylor Wood Actor Hal Landon Jr. Capt. John Logan Actor Beck Bennett Deacon Actor Dave Grohl Self Dazmann Still Jimi Hendrix Actor Jeremiah Craft Louis Armstrong Actor Chris Matheson Screenwriter, Executive Producer Ed Solomon Screenwriter, Producer Scott Kroopf Producer Alex Lebovici Producer Steve Ponce Producer David Haring Producer Steven Soderbergh Executive Producer Patrick W. Dugan Executive Producer Courtney Chenn Executive Producer Christian Mercuri Executive Producer Grant Guthrie Executive Producer Scott Fischer Executive Producer Ray Bouderau Executive Producer John Santilli Executive Producer John Ryan Jr. Executive Producer Shelly Johnson Cinematographer Don Zimmerman Film Editing Mark Isham Original Music Melanie Jones Production Design Zak Faust Art Director Selina van den Brink Set Decoration Jennifer Starzyk Costume Design Nicole Abellera Casting Jeanne McCarthy Casting Leslie Woo Casting