Name	Known for
Stephen Colbert Self - Host Self - Host See fewer	The Late Show with Stephen Colbert (2015)
Sean Penn Self - Guest Self - Guest See fewer	Mystic River (2003)
Sutton Foster Self - Guest Self - Guest See fewer	Younger (2015)
Regina Spektor Self - Musical Guest Self - Musical Guest See fewer	Bombshell (I) (2019)
Jon Batiste Self - Musical Director Self - Musical Director See fewer	Soul (2020)
Tituss Burgess Self (archive footage) Self (archive footage) See fewer	Central Park (2020)
John Cena Self (archive footage) Self (archive footage) See fewer	The Suicide Squad (2021)
Alan Cumming Self (archive footage) Self (archive footage) See fewer	The Anniversary Party (2001)
America Ferrera Self (archive footage) Self (archive footage) See fewer	Barbie (I) (2023)
Chris Gethard Self (archive footage) Self (archive footage) See fewer	The Heat (I) (2013)
Joseph Gordon-Levitt Self (archive footage) Self (archive footage) See fewer	Inception (2010)
Anna Gunn Self (archive footage) Self (archive footage) See fewer	Breaking Bad (2008)
Simon Helberg Self (archive footage) Self (archive footage) See fewer	Florence Foster Jenkins (2016)
Stay Human Themselves - House Band Themselves - House Band See fewer	The Late Show with Stephen Colbert (2015)
Tim Meadows Self (archive footage) Self (archive footage) See fewer	Mean Girls (2004)
Trevor Noah Self (archive footage) Self (archive footage) See fewer	The Daily Show (1996)
George Takei Self (archive footage) Self (archive footage) See fewer	Star Trek (1966)
Bradley Whitford Self (archive footage) Self (archive footage) See fewer	Get Out (I) (2017)
Jen Spyra Self - Announcer (voice) (uncredited) Self - Announcer (voice) (uncredited) See fewer	The Late Show with Stephen Colbert (2015)