Joseph Gordon-Levitt as Joe

Bruce Willis as Old Joe

Emily Blunt as Sara

Paul Dano as Seth

Noah Segan as Kid Blue

Piper Perabo as Suzie

Jeff Daniels as Abe

Pierce Gagnon as Cid

Xu Qing as Old Joe's Wife

Tracie Thoms as Beatrix

Frank Brennan as Old Seth

Garret Dillahunt as Jesse

Nick Gomez as Dale

Marcus Hester as Zach

Jon Eyez as Gat Man

Kevin Stillwell as Gat Man

Thirl Haston as Gat Man

James Landry Hébert as Looper

Kenneth Brown Jr. as Looper

Cody Wood as Looper

Adam Boyer as Tye

Jeff Chase as Tall Gat Man

Ritchie Montgomery as Bodega Owner

David Jensen as Apt Super

Kamden Beauchamp as Daniel

Josh Perry as Farm Vagrant

David Joseph Martinez as Old Dale

Wayne Dehart as Seth Vagrant

Ian Patrick as Beggar Kid

Craig Johnson as Big Craig

Robert Harvey as Parking Attendant

Sylvia Jefferies as Neighbor Girl (uncredited)

Lauren Alexandra as Waitress (uncredited)

D.J. Mills as Cold Homeless Boy (uncredited)

Brea Grant as TK Billboard Girl (uncredited)

Sam Medina as Chinese Thug (uncredited)

Rhonda Floyd Aguillard as Vagrant (uncredited)

Jay Amor as Gatman (uncredited)

Amy Le as Chinese Waitress (uncredited)

Wayne Douglas Morgan as Bouncer (uncredited)

Kristyl Dawn Tift as Madame (uncredited)

Dallas West as Extra (uncredited)