The showbill placard Ricky brings home spells his last name with two 'c's.
During the audition, Ricky says "Let's start with a time-step." The dancers do a few time-steps, but then dance an entire routine comprised of many different steps. It's inexplicable how they all would have known the routine.
When Ricky picks up the phone to find out his dancer has quit, he says "hello" to the caller at the same instant he touches the receiver.