Crossword puzzle clue "wheels on loan or as the circles show what four puzzle answers have done"

Wheels on loan ... or, as the circles show, what four puzzle answers have done?

What's clued in parentheses for each of four answers, and found in corresponding sets of puzzle circles

Influential pairing, and a hint to the circles in four puzzle answers

Gestured rudely ... or what this puzzle's circles have done?

Nonsense talk, whose circled letter is the start of what might be done with items in the four longest puzzle answers

Org. that has four teams with non-plural nicknames, which begin this puzzle's four longest answers

2016 Gosling/Stone film ... and, as shown by circles, what each of four answers is

Cryptographers' successes (and what can be found in the circles in this puzzle's long answers)