Who will be vying for the coveted Mirror Ball trophy in Season 20?

Yahoo has the scoop on the cast for DWTS. Television icon Suzanne Somers, music great Patti LaBelle, football star Michael Sam and Olympian Nastia Liukin are among the stars getting ready to rumba and samba on the dance floor.

Derek Hough, who is back this season in a shocking surprise. Hough, a five-time mirror ball champ and Emmy-winning choreographer, previously announced his "DWTS" departure to perform in the Radio City Spring Spectacular.

"Shark Tank" mogul Robert Herjavec, is also slated to dance. “Hunger Games” actress Willow Shields, artist-actressRumer Willis, “Party Rock Anthem” singer Redfoo and R5 singer-songwriter Riker Lynch will also be vying for the trophy this season.

The names you probably don't know are:

U.S. Army veteran Noah Galloway. The Iraq War veteran lost his left arm above the elbow and left leg above the knee in an IED attack and will bring his inspirational story of overcoming all the odds to the ballroom.

Another fresh face is Charlotte Mckinney the model who shot to fame in a racy Super Bowl ad for Carl’s Jr., and will give it a whirl in the ballroom.