Cheers & Jeers: Katy Perry Can't Keep Hope Alive

and Mike & Molly's Billy Gardell don't exactly seem like siblings - however they share exactly the same father! Actor Francis Guinan, who made an appearance on That '70s Show because the father of Ashton's Kelso, just been cast to experience Mike's papa. With Mike and Molly's wedding around the corner, the guy who abandoned his family years back reenters the image, which "will weigh heavily on Mike's large day," executive producer Chuck Lorre informs me. Find Out More > Other Links From TVGuide.com Francis GuinanMike & Molly