John Sanford Posey is a supporting actor on How to Get Away with Murder, who portrays the role of William Millstone.


He is known for his roles as Dr. Conrad Fenris in MTV's show Teen Wolf and Judge Bill Millstone in the primetime drama How to Get Away with Murder.[1] He was born John Sanford Posey in Hartford, Connecticut, to Joan (Armstrong) and William McCutcheon Posey, Jr. He is father of three children; one of them is actor Tyler Posey. John Posey was chosen to play Danny Tanner on the television series Full House and was cast in the unaired pilot; however, he was replaced by Bob Saget for the series premiere.[2]


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