Most Helpful Guy
The greatest SF movie of all time, of course!
"The 9000 Series is the most reliable computer ever made. No 9000 computer has ever made a mistake or distorted information. We are all, by any practical definition of the words, foolproof and incapable of error." - HAL-9000.
Most Helpful Girl
Take Her She's Mine (1963). Jimmy Stewart's daughter goes to college in a foreign country, and he's so overprotective he flies over there every time he thinks she's in trouble.