Alfonso Ribeiro is an American actor and television host. He is best known for his roles as Carlton Banks on the NBC sitcom The Fresh Prince of Bel-Air, Alfonso Spears on the sitcom Silver Spoons, and Maxwell Stanton on In the House. He is the current host of ABC's America's Funniest Home Videos, taking over for Tom Bergeron, who left after 15 years. Ribeiro has hosted the GSN game show Catch 21, the ABC Family show Spell-Mageddon, and the television show Dance 360. At the beginning of his career, he starred in the title role of the Broadway musical The Tap Dance Kid and later took part in the 13th season of the British reality show I'm a Celebrity...Get Me Out of Here! Ribeiro won season 19 of Dancing with the Stars with professional partner Witney Carson, then later became the co-host alongside Tyra Banks starting from season 31. Ribeiro has served as the main host of Dancing with the Stars alongside co-host Julianne Hough beginning with season 32 in 2023.

Witney Capri Carson McAllister is an American professional Latin ballroom dancer and choreographer. She first gained attention in 2012, when the 18-year-old finished ladies' second runner-up in season nine of So You Think You Can Dance. Carson continued her professional dancing career in early 2013 as a troupe dancer in seasons 16 and 17 of Dancing with the Stars. She was promoted to professional partner in season 18. In season 19, she and her partner Alfonso Ribeiro were announced the winners on November 25, 2014, making her one of six professional dancers to win the mirror ball trophy within their first two seasons, while Ribeiro waited ten years for him to win. For that season, she received a nomination for the Primetime Emmy Award for Outstanding Choreography. In 2019, she reunited with Ribeiro to co-host the reboot of Catch 21. Throughout her dance career, Carson has worked with dancers and choreographers such as Mia Michaels, Nappytabs, Travis Wall, Sonya Tayeh, Tyce Diorio, Mark Ballas, Derek Hough, and Stacey Tookey.