Joshua Allen was the overall winner of the Season 4 competition.
He was partnered with Katee Shean for the first five weeks of the competition.
Rayven Armijo
Rayven Armijo is a ballet dancer who was eliminated in week 1 along with Jamie Bayard.
Jamie Bayard
Jamie Ray Bayard is a Latin ballroom and Swing dancer. He was partnered with Rayven Armijo who was also eliminated in the first week.
He was a childhood dance partner of Season 3's Lacey Schwimmer.
Stephen "tWitch" Boss
tWitch first auditioned in Season 2 and again in Season 3 before he was selected to compete in the Top Twenty in Season 4. He came second in the competition to fellow Hip-hop dancer, Joshua Allen.
In season 5, tWitch returned to So You Think You Can Dance with fellow season 4 contestant Katee Shean to perform their Emmy-nominated piece "Mercy", choreographed by Mia Michaels. He was one of the 11 "All Stars" for season 7.