Marion Ross, 82, plays a grandmother in the Hallmark Channel movie Keeping Up With the Randalls, airing this weekend. She thought she was best-known for her 11-year run on Happy Days. “A grown-up man came up to me the other day and said, ‘You’re very famous.’ I said, ‘Oh, yes. I’m Mrs. C from Happy Days.’ He said, ‘Oh, no, you’re SpongeBob SquarePants’ grandma.’ ” . . . 
John Benjamin Hickey concedes he sometimes gets “a little too method-y” when it comes to prepping for his role as Sean, the trash-eating brother of cancer-fighting Cathy (Laura Linney) on Showtime’s The Big C. Occasionally, “I forget to bathe before going to work,” says Hickey, 48. “The hair-and-makeup girls love it when I don’t wash my hair because it’s easier to make me look greasy.”
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