'DWTS': Who's leading so far?

"Dancing with the Stars" launched its 19th season on September 15, and so far "Fresh Prince of Bel-Air" star Alfonso Ribeiro and pro partner Witney Carson are in the lead. See who else is in this season's cast:

Tommy Chong can make us laugh, but will he earn viewers' votes as a dancer? The comedian is one of the 13 celebrities announced for season 19 of "Dancing With the Stars.' Chong will be partnered with Peta Murgatroyd, not pictured.

Lolo Jones is trading her cleats for dancing shoes -- at least for now. The Olympic athlete competes on season 19 with Keo Motsepe.

YouTube beauty expert Bethany Mota is another competitor for season 19. She'll be dancing with pro partner Derek Hough.

Janel Parrish is known for playing a cunning teen on ABC Family's hit series "Pretty Little Liars," but fans haven't seen her dance moves. She'll be showing them off with pro partner Val Chmerkovskiy.

Pro race car driver Michael Waltrip is getting out from behind the wheel to cruise onto the dance floor. He'll be partnered with pro dancer Emma Slater.

Antonio Sabato Jr., a model and soap star, may soon be a "Dancing" celebrity, too. The actor will perform alongside pro partner Cheryl Burke.

Talk-show host Tavis Smiley said he wanted to do "one last foolish" thing before soon turning 50, and "Dancing With the Stars" fits the bill. Smiley will partner with pro Sharna Burgess.

Champion mixed martial artist Randy Couture has a competitive spirit, which just might give him an edge on "Dancing With the Stars." The budding actor will perform with pro Karina Smirnoff.

"Duck Dynasty" star Sadie Robertson, pictured with her dad, Willie, jokes that her family isn't too big on dancing, but she may be able to squeeze in some practice with Uncle Si. If she can't, there's always her pro partner, Mark Ballas.

Fashion designer Betsey Johnson has always made a visual statement, and we'll see if her dancing skills match her colorful ensembles. She's partnering with pro Tony Dovolani.

Actor Jonathan Bennett is well-known for his role in "Mean Girls," but he may become just as famous for his dancing if this season goes well. He's pairing off with Allison Holker.

"Back to the Future's" Lea Thompson returns to the spotlight with "Dancing With the Stars." She'll perform with Artem Chigvintsev.

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• "Dancing with the Stars" premiered Monday night


• The season 19 cast made its debut


• Actor Alfonso Ribeiro is in the lead


• Designer Betsey Johnson and Olympian Lolo Jones were in the bottom two

(CNN) -- "Dancing with the Stars" got off to a fresh start Monday with actor Alfonso Ribeiro taking the lead in the season 19 premiere.

The episode was the debut of the new cast, which includes "Fresh Prince" star Ribeiro, comedian Tommy Chong, athlete Lolo Jones, "Duck Dynasty" star Sadie Robertson and more.

Performing a jive with pro partner Witney Carson, Ribeiro got a standing ovation for his moves. Judge Julianne Hough, herself a former "Dancing with the Stars" pro, said she was "blown away," and her fellow judges Len Goodman, Bruno Tonioli and Carrie Ann Inaba seemed to agree.

All told, Ribeiro walked away from Monday's show with a score of 36 out of a possible 40, the best of the night.

Right behind him was "Duck Dynasty's" Robertson, who nailed her cha-cha with pro partner Mark Ballas. Performed to Katy Perry's "Birthday," Robertson's routine earned a score of 34.

On the greener side of things was Tommy Chong, who rolled onto the set with his comedy partner, Cheech Marin.

The 76-year-old bluntly told Time magazine recently that he's hoping to give his career another boost with "DWTS," along with his dream of becoming "the poster boy for the marijuana community."

"Medical marijuana is my passion in life. I went for jail for my beliefs. Now that we're getting legal, I want to focus on the benefits of medical marijuana -- it helps little children with epilepsy and MS, and it helped me with my cancer," Chong said. And while "Dancing with the Stars" won't allow him to "show pot leaves or bongs," Chong continued, "they have Tommy Chong, who really is a pot leaf."

So when he made his entrance during Monday's show, it was no accident that Chong and his partner, Peta Murgatroyd, were wearing so much green. ("Peta, my partner," Chong told Time, "is going to look like a little marijuana bud.")

The verdant pair did a cha-cha to Snoop Dogg's "Drop It Like It's Hot," much to the delight of the judges, who awarded them 27 points.

On the lower side of the scoreboard were designer Betsey Johnson and Olympian Lolo Jones. Johnson's cha-cha suffered from a bit of a wardrobe malfunction, and she and partner Tony Dovolani earned the lowest score of the night with a total of 20.

Jones and her pro partner, Keo Motsepe, didn't fare much better. Even she admitted that her routine, a cha-cha, was pretty "awful," and the judges didn't disagree. Jones and Motsepe were given a score of 22, the second-lowest of the evening.

The "Dancing with the Stars" audience also gets a chance to weigh in on its favorite pair. On Tuesday night, the dancing duo with the lowest combined score of audience votes and judges' votes will be the first elimination of the season.