Michael Fassbender
Frank
Domhnall Gleeson
Jon Burroughs
Maggie Gyllenhaal
Clara
Scoot McNairy
Don
François Civil
Baraque
Carla Azar
Nana
Tess Harper
Frank's Mom
Bruce McIntosh
Frank's Dad
Hayley Derryberry
Simone
Lauren Poole
Alice
Moira Brooker
Jon's Mother
Paul Butterworth
Jon's Father
Phil Kingston
Radio DJ
Billie Traynor
Café Lady
Shane O'Brien
Lucas
Chris McHallem
Paramedic
Michael James Ford
Port Official
Mark Huberman
Management Guru
Rosalind Adler
German Mother
Niall Glennon
German Father
Torsten Brescanu
German Child
Leroy Harris
Grocery Boy
Noah Hauser
Passerby Austin 1
Laura Love Tode
Passerby Austin 2
Jordyn Aurora Aquino
Hipster Singer
Katie Anne Mitchell
Interview Girl
Paul Howard Smith
Man in Cowboy Hat
Matthew Page
Passerby in Alleyway
Alex Knight
SXSW Driver
Abe Bueno-Jallad
Stage Manager
Morse Bicknell
Driver
Dean Satriano
Young Man in Chinese Restaurant
Peter Trinh
Chinese Restaurant Waiter
Kevin Wiggins
Hillbilly
Travis Hammer
Tree Surgeon
Kelly V. Lucio
SXSW Concert Attendee (uncredited)