Revealing mistake: When Tallulah and the girls are acting in the Fat Sam's Grandslam song look at Tallulah as they sing the 'Ra da da da da da' bit. She looks straight into the camera.
Revealing mistake: When Lena enters, interrupting Blousey's audition, watch her closely. As she's doing her long and complex "Ill give you one more chance and them I'm out for good out out out" bit, she looks at the camera not just once, but quite a few times.
Revealing mistake: This film is set in New York, yet most of the "down and outs" seen towards the end of the film have London accents.
Answer: He didn't have the money to pay the diner bill, so he called the operator, in the phone booth, to call the diner number to test the line.