This is one of the classic Hitchcock films. It's not really a great film but its classic Hitchcock all the same. It's got the cross- country chase, the interesting characters and situation along the way, the innocent hero and the blonde, the oily villain and his crazed henchman, the big ending, (North by Northeast?).
I think it's a little weak that every nice person- save for the girl, instinctively knows Bob Cummings is innocent the moment they meet him. If you ran into a guy who is accused of torching a defense plant and his best friend with it, who you immediately decide that he's not so bad? Also the horrendous nature of the accusation would make the `It Happened One Night' type scenes that draw the hero and heroine together rather unlikely. The wartime patriotic speech at the end can certainly be forgiven. What movies in 1942 didn't have a speech like that?
The big thing, of course is the ending. Sweet old Norman Lloyd in his younger days finds, as Ben Hecht said, that `he needs a new tailor.' It's a model for many similar scenes later. One wonders why there was no denouement. Lloyd tells Cummings that he will clear him and then dies. Is Cummings on his way to jail at the end? An earlier scene suggests that the police already on his side. Wouldn't it be better to make that unclear and then have a scene afterwards where we find out he's off the hook?
