Possible Clues:

• First name in the ''30 Rock'' cast
• Twin vampire in 'The Twilight Saga'
• Brother of Billy, Daniel and Stephen
• Baldwin of 'The Departed'
• Name of a male character
• There's beer and the last of the cognac for him
• He's Jack on '30 Rock'
• See 62 Across
• Name hidden in 'partial eclipse'
• Britain's Douglas-Home