The Big Bounce (1969)

He is hot-headed drifter Jack Ryan. She is thrill-seeking party girl Nancy Barker. Together, they're like gasoline and a match in this volatile tale based on a novel by Elmore Leonard (Get Shorty) and brought to the screen again in 2004 with Owen Wilson, Sara Foster and Morgan Freeman.

Here, Ryan O'Neal makes his feature-film debut as Jack, a hard-luck GI smitten with Nancy (Leigh Taylor-Young), and never stopping to think where her seductive spree of petty-crime kicks might end. The thrills she calls "bounces" may lead to a notoriously big bounce. For Jack that may mean a very big fall.