What Bogey movie was that?
To Have and Have Not...
It is the followup to cash in on the success of Casablanca.
Slim: You know you don't have to act with me, Steve. You don't have to say anything, and you don't have to do anything. Not a thing.
Oh, maybe just whistle. You know how to whistle, don't you, Steve? You just put your lips together and... blow.