Oscar Isaac (Llewyn Davis), Carey Mulligan (Jean), Justin Timberlake (Jim), Ethan Phillips (Mitch Gorfein), Robin Bartlett (Lillian Gorfein), Max Casella (Pappi Corsicato), Jerry Grayson (Mel Novikoff) more..., Jeanine Serralles (Joy), Adam Driver (Al Cody), Stark Sands (Troy Nelson), John Goodman (Roland Turner), Garrett Hedlund (Johnny Five), Alex Karpovsky (Marty Green), Helen Hong (Janet Fung), Bradley Mott (Joe Flom), Michael Rosner (Arlen Gamble), Bonnie Rose (Dodi Gamble), Jack A. O'Connell (Elevator Attendant), Ricardo Cordero (Nunzio), Sylvia Kauders (Ginny), Ian Jarvis (Cromartie), Diane Findlay (Receptionist), Ian Blackman (Studio Man), Steve Routman (Abortion Doctor), Susan Blommaert (Nurse), Amelia McClain (Oasis Waitress), James Colby (Cop on Road), Charlotte Booker (Chicago Waitress), Mike Houston (Train Station Cop), Sam Haft (Man in Gate of Horn), F. Murray Abraham (Bud Grossman), Jason Shelton (Youth in Car), Frank Ridley (Union Hall Man 1), John Ahlin (Union Hall Man 2), Jake Ryan (Danny), Declan Bennett (Irish Singer), Erik Hayden (Additional Irish Singer), Daniel Everidge (Additional Irish Singer), Jeff Takacs (Additional Irish Singer), Nancy Blake (Elizabeth Hobby) and others.

Ethan Coen (Writer), Joel Coen (Editor), Jess Gonchor (Production Design), Mary Zophres (Costume Design), Ethan Coen (Producer), Joel Coen (Producer), Scott Rudin (Producer) more..., Bruno Delbonnel (Director of Photography), Joel Coen (Writer), Robert Graf (Executive Producer), Ron Halpern (Executive Producer), Olivier Courson (Executive Producer), Ethan Coen (Editor), Ellen Chenoweth (Casting), Deborah Jensen (Art Direction), Alison Cohen Rosa (Still Photographer), Jen Monnar (Music Editor), Michael Queen (Compositors), Jason Harris (Other), Peter Kurland (Production Sound Mixer), Thomas Johnston (Script Supervisor), Jery Hewitt (Stunt Coordinator), Skip Lievsay (Supervising Sound Editor), Skip Lievsay (Sound Re-Recording Mixer), Greg Orloff (Sound Re-Recording Mixer), Todd Kasow (Music Editor), T Bone Burnett (Executive Music Producer), Susan Bode Tyson (Set Decoration), Mark Hagerman (Production Coordinator), Nancy Capper Au (Costume Supervisor), Paul Urmson (Sound Effects Editor), Joseph A. Alfieri Jr. (Construction Coordinator), Nicki Ledermann (Makeup Department Head), Alex Lemke (Visual Effects Supervisor), Kat St. John (Set Costumer), Dimitra Bixby (Set Dresser), Zach Selter (Set Dresser), Steve Kirshoff (Special Effects Supervisor), Marko Costanzo (Foley Artist), George A. Lara (Foley Mixer) and others.