Which actor/actress was not a cast member on the U.S. TV show "Mission Impossible"?
Correct answer: James Arness

Loophole
His brother is Peter graves. peter is the guy listening to the tape .

burritos4breakfast
Everyone who chose Spock as the answer thought the question was pertaining to the Tom Cruise crap-buster. If that were the case, all for answers would be correct.