Oscar Isaac as Llewyn Davis

Carey Mulligan as Jean

Justin Timberlake as Jim

Ethan Phillips as Mitch Gorfein

Robin Bartlett as Lillian Gorfein

Max Casella as Pappi Corsicato

Jerry Grayson as Mel Novikoff

Jeanine Serralles as Joy

Adam Driver as Al Cody

Stark Sands as Troy Nelson

John Goodman as Roland Turner

Garrett Hedlund as Johnny Five

Alex Karpovsky as Marty Green

Helen Hong as Janet Fung

Bradley Mott as Joe Flom

Michael Rosner as Arlen Gamble

Bonnie Rose as Dodi Gamble

Jack O'Connell as Elevator Attendant

Ricardo Cordero as Nunzio

Sylvia Kauders as Ginny

Ian Jarvis as Cromartie

Diane Findlay as Receptionist

Ian Blackman as Studio Man

Steve Routman as Abortion Doctor

Susan Blommaert as Nurse

Amelia McClain as Oasis Waitress

James Colby as Cop on Road

Charlotte Booker as Chicago Waitress

Mike Houston as Train Station Cop

Sam Haft as Man in Gate of Horn

F. Murray Abraham as Bud Grossman

Jason Shelton as Youth in Car

Frank Ridley as Union Hall Man 1

John Ahlin as Union Hall Man 2

Jake Ryan as Danny

Declan Bennett as Irish Singer

Erik Hayden as Additional Irish Singer

Daniel Everidge as Additional Irish Singer

Jeff Takacs as Additional Irish Singer

Nancy Blake as Elizabeth Hobby

Stephen Payne as Mr. Hobby

Roberto Lopez as Bouncer

Benjamin Pike as Young Bob

Marcus Mumford as Mike Timlin (voice) (uncredited)

Leonard Zimmerman as Harried Commuter