Name	Known for
Joshua Allen Self Self See fewer	Footloose (2011)
Toni Basil Self - Guest Judge Self - Guest Judge See fewer	Five Easy Pieces (1970)
Stephen Boss Self (as Twitch) Self (as Twitch) See fewer	Step Up 3D (2010)
Cat Deeley Self - Hostess Self - Hostess See fewer	Deadbeat (2014)
Comfort Fedoke Self Self See fewer	Footloose (2011)
Chelsie Hightower Self Self See fewer	Knights58
Galen Hooks LL Cool J Dancer LL Cool J Dancer See fewer	17 Again (2009)
Mark Kanemura Self Self See fewer	Lady Gaga feat. Beyoncé: Telephone (2010)
LL Cool J Self - Musical Guest Self - Musical Guest See fewer	Deep Blue Sea (1999)
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)
William Wingfield Self Self See fewer	Rock of Ages (2012)