IQ1: Did you star in Texas Across the River?
IQ2: When told to say “good night”, did you say “good night” to youself?
IQ3: Did Ray Walton play you in a '60s sitcom?
#1. Mithridates, according to legend, ate arsenic in small portions every day and built up a tolerance. “Mithridates, he died old.” #2 was Marilyn Maxwell. #3 was Mary Tyler Moore, whose legs were all that were shown.
Did TR take to heart your teachings on naval power? - Not William McKinley, but historian Alfred Thayer Mahan
Were you the Nazi hitman in The ODESSA File? - Mackensen
Were you … AKA Gandalf, Olorin and Tharkun? - Yes, Mithrandir, in the writings of JRR Tolkien
DQs:
American?
Living?
IQs:
Were you a costar of Adam-12?
Did your followers apologize for your ardent anti-Semitism centuries later?
Were your words woven into a unique rug a few years ago?
DQ1: Known for military/political?
DQ2: Known for one particular incident/deed/whatever?
IQ1: Were Bill and Charlie the oldest of your seven children?
IQ2: Did your father use Amoracchius before his forced retirement?
IQ3: Were you Thayandanegea’s sister?
Oops! Just remembered Mantooth was on Emergency!, not Adam-12. Both shows did crossovers with each other, which is probably why I mixed them up. Take another DQ.