Possible Clues:

• Haley who wrote "Roots"
• First name in game show hosts
• "Jeopardy!" first name
• ''Family Ties'' character
• ___ Cross, James Patterson detective
• Trebek of ''Jeopardy!''
• ''Jeopardy!'' name
• Kunta researcher
• Longtime "Jeopardy!" host Trebek
• "Jeopardy!" legend Trebek