A Deal Is a Deal (2008) on Netflix

Paul is a London tube driver with dreams of a cottage in a bee-loud glade. He's told that if his train strikes and kills one more person this month, he'll get a large severance, enough for the cottage. So he offers £1500 to Tommy Cassidy, a down-and-out Irishman, if Tommy will walk in front of Paul's train come Monday. He gives Tommy the cash on Friday. Wanting to ensure that Tommy honors the deal, Paul accompanies a cleaned-up Tommy on his trip (in a new suit and a hired car) to make things right with family he hasn't seen in eight years. Can Tommy, an inveterate gambler, make anything come out right? And what about Paul - can this suicide pact fulfill his dreams?