Name	Known for
Joshua Allen Actor Actor See fewer	Footloose (2011)
Stephen Boss Self (as Twitch) Self (as Twitch) See fewer	Step Up 3D (2010)
Cat Deeley Self - Hostess Self - Hostess See fewer	Deadbeat (2014)
Melissa Emrico Self - Featured Dancer (as Dina) Self - Featured Dancer (as Dina) See fewer	Step Up (2006)
Lady Gaga Self - Musical Guest Self - Musical Guest See fewer	A Star Is Born (2018)
Chelsie Hightower Actress Actress See fewer	Knights58
Mark Kanemura Actor Actor See fewer	Tongue Thai'd with Pangina Heals (2022)
Nigel Lythgoe Self - Judge Self - Judge See fewer	So You Think You Can Dance (2005)
Mary Murphy Self - Judge Self - Judge See fewer	Marilyn Hotchkiss' Ballroom Dancing & Charm School (2005)
Courtney Platt Self (as Courtney Galiano) Self (as Courtney Galiano) See fewer	Rock of Ages (2012)
Katee Shean Self Self See fewer	Leading Ladies (I) (2010)
Mark Thompson Announcer Announcer See fewer	The Day After Tomorrow (2004)