Mike (I)
From The Stargate Omnipedia
Father to Sarah O'Neill, Jack's ex-wife. He was hesitant to allow Jack back into his daughter's life after a bad separation, approximately one year after the death of their son, Charlie.
DETAILS
PLAYED BY - Wally Dalton
FIRST APPEARED - Cold Lazarus
KEY EPISODE
Cold Lazarus - Mike makes it clear that there will be hell to pay if Jack breaks his daughter's heart a second time.