With the cast announcement less than a week away, many of the celebrities who will be competing on ABC's Dancing With the Stars this season have been leaking out.

Dancing With the Stars New Pros Talk 'Challenging' First Day

The newest batch of celebrities set to compete on Dancing With the Stars include actress Lea Thompson (Back to the Future), actor Jonathan Bennett (Mean Girls), designer Betsey Johnson and YouTube makeup artist Bethany Mota, according to TMZ.

Thompson was very active in the '80s and '90s but it most well known for her role as Lorraine Baines in the Back to the Future trilogy of movies. Bennett rose to fame as Aaron in Mean Girls, the love interest to Lindsay Lohan's Cady.

Erin Andrews Talks 'Nasty' Dancing With the Stars Rehearsals That Would 'Never Be Allowed' On ABC

Johnson is noteworthy for her eccentric designs while Mota currently has over 7 million subscribers on YouTube for her fashion tutorials, with her videos receiving millions of views.

Thompson, Bennett, Johnson and Mota join previously reported celebrities competing on Dancing With the Stars Olympian Lolo Jones, Pretty Little Liars actress Janel Parrish, soap opera actor Antonio Sabato Jr. and Duck Dynasty star Sadie Robertson.

The official cast for Dancing With the Stars Season 19 will take place on ABC's Good Morning America on Thursday, Sept. 4. There will be 13 pairs this season as opposed to the usual 12.

Among the pros set to compete on the new season are Derek Hough, Mark Ballas, Cheryl Burke, Karina Smirnoff, Tony Dovolani, Val Chmerkovskiy, Peta Murgatroyd, Emma Slater, Witney Carson, Artem Chigvintsev, Allison Holker, Keoikantse Motsepe and Sharna Burgess.

Dancing With the Stars Season 19 begins Monday, Sept. 15 at 8 p.m. on ABC.

Tags: Dancing with the Stars Reality TV ABC