In the film clip from Casablanca a line is spoken which isn't in the film. The clip is from the end of Casablanca, at the airport, Richard Blaine (Humphrey Bogart) tells Major Heinrich Strasser (Conrad Veidt), "Alright Major, you asked for it" before he shoots him. The actual movie simply has Major Strasser pulling his gun and Rick shooting him.
Steven J. Ross is credited two different ways on screen, first as "USC Film Professor", and second as "USC History Professor".
Betty Warner Sheinbaum is credited two different ways on screen, first as "Mother of Cass", and second as "Harry's daughter".
Johanna Blakey is credited two different ways on screen, first as "Johanna Blakey", and second as "Johanna Blakley".
Jack L. Warner is credited two different ways on screen, first as "Jack L. Warner", and second as "Jack Warner Snr".