Name	Known for
Ryan Seacrest Self - Host Self - Host See fewer	American Idol (2002)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Paula Abdul Self - Judge Self - Judge See fewer	Robots (2005)
Randy Jackson Self - Judge Self - Judge See fewer	The Truth About Cats & Dogs (1996)
Katharine McPhee Self - Finalist Self - Finalist See fewer	Smash (2012)
Taylor Hicks Self - Finalist Self - Finalist See fewer	American Idol (2002)
Clay Aiken Self - Guest Self - Guest See fewer	The Runner-Up (2015)
Burt Bacharach Self - Guest Self - Guest See fewer	Butch Cassidy and the Sundance Kid (1969)
Paris Bennett Self Self See fewer	Aunt Bam's Place (2012)
Mary J. Blige Self - Guest Self - Guest See fewer	Mudbound (2017)
Edward Boddington Self Self See fewer	American Idol (2002)
Toni Braxton Self - Guest Self - Guest See fewer	The Oogieloves in the Big Balloon Adventure (2012)
Kevin Covais Self Self See fewer	Good Luck Charlie (2010)
Bucky Covington Self Self See fewer	Under the Stadium Lights (2021)
Chris Daughtry Self Self See fewer	Wanderlust (2012)
Ben Hausbach Self Self See fewer	Transporter 2 (2005)
Al Jarreau Self - Guest Self - Guest See fewer	Moonlighting (1985)
Live Themselves - Guests Themselves - Guests See fewer	Virtuosity (1995)
Mandisa Self (as Mandisa Hundley) Self (as Mandisa Hundley) See fewer	My Big Fat Greek Wedding 2 (2016)
Maya McClean Prince background singer and dancer Prince background singer and dancer See fewer	Moulin Rouge! (2001)
Nandy McClean Prince background singer and dancer Prince background singer and dancer See fewer	Moulin Rouge! (2001)
Melissa McGhee Self Self See fewer	American Idol (2002)
Meat Loaf Self - Guest Self - Guest See fewer	The Rocky Horror Picture Show (1975)
Kellie Pickler Self Self See fewer	Billy Lynn's Long Halftime Walk (2016)
Prince Self - Guest Self - Guest See fewer	Under the Cherry Moon (1986)
Mark Thompson Self - Announcer Self - Announcer See fewer	The Day After Tomorrow (2004)
Lisa Tucker Self Self See fewer	The Vampire Diaries (2009)
Carrie Underwood Self - Guest Self - Guest See fewer	Soul Surfer (2011)
Dionne Warwick Self - Guest Self - Guest See fewer	Alive (1993)
Elliott Yamin Self Self See fewer	American Idol (2002)
Ace Young Self Self See fewer	Sing It! (2016)