Don't Worry, We'll Think of a Title is a 1966 American absurdist slapstick comedy film directed by Harmon Jones and written by Morey Amsterdam, John Davis Hart, William Marks and George Schenck.
The diner attracts all sorts of various figures, ranging from employees that work at the factory across the street, Danny Thomas, and even a Soviet spy, Comrade Olga, who is sent to observe Charlie.
Olga's superiors - led by the diminutive "Mr. Big" - believe Charlie to be defecting Soviet cosmonaut Yasha Nudnik, who is hiding sensitive information.
After hearing noises one night, Charlie and Annie investigate in the basement, but are scared off after finding the two customers hiding behind the wall.
Film historian Leonard Maltin gave the picture his lowest rating, calling it a "Grade-Z shambles...Start worrying the moment you tune in.