Name	Known for
Wayne Brady Self - Host Self - Host See fewer	Whose Line Is It Anyway? (1998)
Sebastian Bach Self - Musical Guest Self - Musical Guest See fewer	Rock of Ages (2012)
Dennis DeYoung Self - Musical Guest Self - Musical Guest See fewer	Stuber (2019)
David Foster Self - Judge Self - Judge See fewer	St. Elmo's Fire (1985)
Gladys Knight Self - Musical Guest Self - Musical Guest See fewer	Hollywood Homicide (2003)
Lucy Lawless Self Self See fewer	Xena: Warrior Princess (1995)
Little Richard Self - Judge Self - Judge See fewer	Predator (1987)
Marie Osmond Self - Judge Self - Judge See fewer	Donny and Marie (1975)
Alfonso Ribeiro Self Self See fewer	The Fresh Prince of Bel-Air (1990)
Smokey Robinson Self - Musical Guest Self - Musical Guest See fewer	Big Time (1977)
Jon Secada Self - Musical Guest Self - Musical Guest See fewer	The Specialist (1994)
Hal Sparks Self Self See fewer	Queer as Folk (2000)
Bonnie Tyler Self - Musical Guest Self - Musical Guest See fewer	Resident Evil: Welcome to Raccoon City (2021)
Renée O'Connor Self - Audience (uncredited) Self - Audience (uncredited) See fewer	A Question of Faith (2017)
Rob Tapert Self - Audience (uncredited) Self - Audience (uncredited) See fewer	Darkman (1990)