Oscar Isaac
Llewyn Davis
Carey Mulligan
Jean
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
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 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
Stephen Payne
Mr. Hobby
Roberto Lopez
Bouncer
Benjamin Pike
Young Bob
Marcus Mumford
Mike Timlin (voice) (uncredited)