Quinn Fabray
Kurt Hummel
Blaine Anderson
Sue Sylvester
Emma Pillsbury
Artie Abrams
Rachel Berry
Finn Hudson
Brittany S. Pierce (as Heather Morris)
Will Schuester
Mercedes Jones
Santana Lopez
Noah 'Puck' Puckerman
Mike Chang
Tina Cohen-Chang
Cooper Anderson
Principal Figgins
Roz Washington
Sam Evans
Rory Flanagan
Joe Hart
Sugar Motta
Becky Jackson
Doctor
Waitress
Mickey
Nurse
Mrs. Tennison
Young Blaine (as Ravi Smith)
Young Cooper
Mr. Anderson (scenes deleted)
Narrator (voice) (uncredited)
Brad the Piano Player (uncredited)