Name	Known for
Dianna Agron Self - Quinn Fabray Self - Quinn Fabray See fewer	The Family (I) (2013)
Kent Avenido Self - Howard Bamboo Self - Howard Bamboo See fewer	50 First Dates (2004)
Chris Colfer Self - Kurt Hummel Self - Kurt Hummel See fewer	Struck by Lightning (2012)
Patrick Gallagher Self - Ken Tanaka Self - Ken Tanaka See fewer	Night at the Museum (2006)
Victor Garber Self - Will's Father Self - Will's Father See fewer	Argo (2012)
Jessalyn Gilsig Self - Terri Schuester Self - Terri Schuester See fewer	The Stepfather (2009)
Jane Lynch Self - Sue Sylvester Self - Sue Sylvester See fewer	Wreck-It Ralph (2012)
Jayma Mays Self - Emma Pilsbury Self - Emma Pilsbury See fewer	Red Eye (2005)
Kevin McHale Self - Artie Abrams Self - Artie Abrams See fewer	Glee (2009)
Lea Michele Self - Rachel Berry Self - Rachel Berry See fewer	Glee (2009)
Debra Monk Self - Will's Mother Self - Will's Mother See fewer	The Devil's Advocate (1997)
Cory Monteith Self - Finn Hudson Self - Finn Hudson See fewer	Glee (2009)
Heather Elizabeth Morris Self - Britanny S. Pierce (as Heather Morris) Self - Britanny S. Pierce (as Heather Morris) See fewer	Glee (2009)
Matthew Morrison Self - Will Schuester Self - Will Schuester See fewer	Glee (2009)
Amber Riley Self - Mercedes Jones Self - Mercedes Jones See fewer	Glee (2009)
Naya Rivera Self - Santana Lopez Self - Santana Lopez See fewer	Glee (2009)
Iqbal Theba Self - Principal Figgins Self - Principal Figgins See fewer	Glee (2009)
Stephen Tobolowsky Self - Sandy Ryerson Self - Sandy Ryerson See fewer	Groundhog Day (1993)
Jenna Ushkowitz Self - Tina Cohen-Chang Self - Tina Cohen-Chang See fewer	Glee (2009)