John David Weinroth (born April 20, 1968), known professionally as J.D. Roth, is an American TV producer, actor, voice actor, and game show host, and TV personality. Roth has been involved in numerous TV shows. He is the co-creator of the reality show The Biggest Loser on NBC. He also hosted ABC's fall 2008 series Opportunity Knocks. He served as the announcer of the ABC tv show, Extreme Weight Loss.

Filmography

• Karma — Creator
• Hungry Investors — Executive Producer
• Beauty & The Nerd — Creator
• Extreme Weight Loss — Creator
• Roseanne's Nuts — Producer
• Dad Camp — Producer
• Hair Battle Spectacular — Producer
• I Used to Be Fat — Executive Producer
• The OCD Project — Producer
• 4th and Long — Producer
• Hammertime — Producer
• Groomer Has It — Producer
• Opportunity Knocks — Self - Host, Producer
• Age of Love — Producer, Creator
• The Pickup Artist — Producer, Creator
• Supergroup — Producer
• Unan1mous — Self - Host, Creator
• Beauty and the Geek — Producer
• Breaking Bonaduce — Producer
• Endurance — Self - Host, Producer, Creator
• Moolah Beach — Self - Host, Creator
• 1997Walt Disney World Happy Easter Parade
• The Real Adventures of Jonny Quest — Jonny Quest (voice)
• Melrose Place — Jack
• Children's Island — William
• The Equalizer — Larry Kelly
• 1985The Life and Adventures of Santa Claus — Young Claus (voice)
• The Twilight Zone — Boy at Party (segment "Time and Teresa Golowitz")
• Charles in Charge — Brad
• Tales from the Darkside
• 1983The Wilder Summer — Charlie Wilder
• Make Me a Millionaire — Creator

Appearances as themselves (7)

• 2018Game Changers — Self
• Sex Wars — Self
• 1996Walt Disney World Very Merry Christmas Parade — Self
• 1996Walt Disney World at Home for Kids: Holiday Crafts and Treats — Himself
• 1995Walt Disney World Very Merry Christmas Parade — Self
• Double Up — Self - Host
• Fun House — Self - Host