"You know how to whistle, don't you, Steve? You just put your lips together and blow."

Bacall says this line as Marie "Slim" Browning in 1944's 'To Have and Have Not', her debut film at 20 years old. Slim shares this scene with Harry Steve Morgan played by Humphrey Bogart, who Bacall eventually married.

Asked by Christina Loprieno · Last updated 5 years ago · 611.9K views