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), Adam Driver (Al Cody), Stark Sands (Troy Nelson), John Goodman (Roland Turner), Alex Karpovsky (Marty Green), Fahrid Murray Abraham (Bud Grossman), Garrett Hedlund (Johnny Five), Ian Blackman (Mann im Studio), Jeanine Serralles (Joy), Helen Hong (Janet Fung), Ian Jarvis (Cromartie), Michael Rosner (Arlen Gamble), Bonnie Rose (Dodi Gamble), Ricardo Cordero (Nunzio), Steve Routman (Abtreibungsarzt), Susan Blommaert (Krankenschwester), Bradley Mott (Joe Flom), Sylvia Kauders (Ginny), Jack O'Connell (Fahrstuhlwärter), Diane Findlay (Rezeptionistin)