"James David Weinroth (born April 20, 1968), better known as J.D. Roth, is an American television personality, actor, children's game show host, a voice-over performer on many television programs, and a television producer of reality shows. Roth is the co-creator of the reality show The Biggest Loser on NBC. He also hosted ABC's fall 2008 series Opportunity Knocks."@en . "J. D. Roth"@en . . "1983Z"^^ . "1968Z"^^ . . "0744870" . "2011-08-06Z"^^ . "2011Z"^^ . "American actor" . . . "James David Weinroth"@en . . "Roth, J. D."@en . "1968-04-20Z"^^ . .