For a period of time, William Shatner was the lead pitchman for Priceline adding to his net ... married four times and is the father of three daughters. Tragically, his third wife Nerine died ...

William Shatner ... as the priceline.com Negotiator in a new ad campaign that launches Sunday, with Kaley Cuoco-Sweeting (“The Big Bang Theory”) again playing the travel pro’s daughter.