He's a dog.He's an Animagus." [This was the first of three amazing transformations to be revealed in the course of the action.]The dog Grim was actually Sirius Black in disguise - he could turn into a ferocious dog at will.Harry attacked Sirius to save his friends, but Remus Lupin burst in and disarmed Harry with his wand.In fact, Karas' musical instrument was a leading film character and advertised as such: "He'll have you in a dither with his zither (a laptop string instrument).Meanwhile back in the library, Dr.Brody was knocked out by unknown assailants (later identified as The Brotherhood of the Cruciform Sword, an organization formed to protect the Grail) who then pursued the duo underground and set the petroleum on fire.One of the officers, General Motti (Richard LeParmentier) was unperturbed and boasted: "This station is now the ultimate power in the universe.What'll your review say?Second critic: I like it too.So, er, I guess I'll pan it.First critic: Oh.(He laughs.) Well, that's logical.Second critic: My publisher resents Cohan impersonating the president of the United States.Says our young readers dream of being president.First critic: 'I'd rather be right than be president...' Cohan may find out he isn't either one.The camera moves through the outer door and into the dressing room of George M.Cohan - he is being congratulated backstage by well-wishers and his wife Mary (17 year old Joan Leslie) just following his performance, but he is anxious about his impersonation of the president:Cohan: Well, that's all very well, but we're still reading on dangerous ground.