Valerie Harper, seen here attending the 139th Kentucky Derby in Louisville in May, has joined the cast of "Dancing With the Stars." She will be joined by. ...
'Dancing With the Stars' new cast —
Valerie Harper, seen here attending the 139th Kentucky Derby in Louisville in May, has joined the cast of "Dancing With the Stars." She will be joined by. ...
Michael Loccisano/Getty Images
Jack Osbourne, former reality star and son of rocker Ozzy Osbourne and "The Talk" co-host Sharon Osbourne.
'Dancing With the Stars' new cast —
Jack Osbourne, former reality star and son of rocker Ozzy Osbourne and "The Talk" co-host Sharon Osbourne.
Jason Merritt/Getty Images
Nicole 'Snooki' Polizzi of "Jersey Shore" fame arrives at the MTV Video Music Awards in August.
'Dancing With the Stars' new cast —
Nicole 'Snooki' Polizzi of "Jersey Shore" fame arrives at the MTV Video Music Awards in August.
Jamie McCarthy/Getty Images/MTV
Former football player Keyshawn Johnson arrives at the GQ Men of the Year party in Los Angeles in 2008.
'Dancing With the Stars' new cast —
Former football player Keyshawn Johnson arrives at the GQ Men of the Year party in Los Angeles in 2008.
Michael Buckner/Getty Images via GQ
Leah Remini is probably best known for her role in "The King of Queens" and has also co-hosted "The Talk."
'Dancing With the Stars' new cast —
Leah Remini is probably best known for her role in "The King of Queens" and has also co-hosted "The Talk."
Frederick M. Brown/Getty Images
Scientist Bill Nye attended the "Man Of Steel" world premiere in New York City in June. He is known as "The Science Guy."
'Dancing With the Stars' new cast —
Scientist Bill Nye attended the "Man Of Steel" world premiere in New York City in June. He is known as "The Science Guy."
Andrew H. Walker/Getty Images
Actress Amber Riley, seen here in July at the Staples Center in Los Angeles found fame on "Glee."
'Dancing With the Stars' new cast —
Actress Amber Riley, seen here in July at the Staples Center in Los Angeles found fame on "Glee."
Jason Merritt/Getty Images via AQUAhydrate
Comedian Bill Engvall is seen arriving at the 2011 American Country Awards in Las Vegas.
'Dancing With the Stars' new cast —
Comedian Bill Engvall is seen arriving at the 2011 American Country Awards in Las Vegas.
Frazer Harrison/Getty Images
Elizabeth Berkley is best known for her role on the television show "Saved By The Bell" and the film "Showgirls."
'Dancing With the Stars' new cast —
Elizabeth Berkley is best known for her role on the television show "Saved By The Bell" and the film "Showgirls."
Mike Coppola/Getty Images via Michael J. Fox Foundation for Parkinson's Research
Christina Milian is a singer and has appeared in several films including "Be Cool" and "Love Don't Cost a Thing." She is a correspondent for NBC's "The Voice."
'Dancing With the Stars' new cast —
Christina Milian is a singer and has appeared in several films including "Be Cool" and "Love Don't Cost a Thing." She is a correspondent for NBC's "The Voice."
Angela Weiss/Getty Images
"High School Musical" and Broadway star Corbin Bleu attended the 66th Annual Tony Awards at the Beacon Theatre in New York in 2012.
'Dancing With the Stars' new cast —
"High School Musical" and Broadway star Corbin Bleu attended the 66th Annual Tony Awards at the Beacon Theatre in New York in 2012.
Mike Coppola/Getty Images
Actor Brant Daugherty is best known for a recurring role on "Pretty Little Liars" and as a cast member on "Army Wives."
'Dancing With the Stars' new cast —
Actor Brant Daugherty is best known for a recurring role on "Pretty Little Liars" and as a cast member on "Army Wives."
Frederick M. Brown/Getty Images