Possible Clues:

• Port in the Vale of Glamorgan
• Brother of Robin and Maurice
• Bonds with a bat
• Bonds never traded
• Town in the Vale of Glamorgan, on the Bristol Channel
• A Bee Gee
• Director Levinson
• Welsh town's pub overlooking railway
• HBO series about a hitman who joins an acting class
• One who scored piece of music found in front of unsigned library book