Film buffs what film did Robert Schineder?

Question

Play a hit man for the mafia where he had to bring a witness A YOUNG BOY called TRAVIS KNIGHT to his bosses alive

Answer 1

Ooh. Good film. "Cohen and Tate" had Roy Scheider (as Cohen) and Adam Baldwin (as Tate) as the hitmen, and Harley Cross playing the part of the little boy, Travis.
The two men make a particularly scary pair, with Cohen's silences and Tate's mad ramblings.

Answer 2

The movie was Cohen and Tate. The actors name was Roy Scheider.

Answer 3

yep

Answer 4

as above