Possible Clues:

• One mesmerises subjects ultimately leaving in a confused state
• Influential villain ending in tears, leaving broken
• The evil hypnotist of Trilby by George du Maurier
• Doctors slaving to secure end of the controller
• Son leaving arrangement under his sinister influence
• Did Elvis nag about the du Maurier controlling character?
• Evil person — leavings (anag)
• Swede — one without delay looking up hypnotist?
• Charmer
• Evil manager leaving foremost of strikers out