Peter Lorre - Rick, Hide Me! (Casablanca - 1942)

http://www.youtube.com/watch?v=BLTFWI6UVIQ

RUN, UGARTE, RUN!

Peter Lorre - Hello, Rick! (Casablanca - 1942)

http://www.youtube.com/watch?v=GxNYZdQaC44

He has many a friend in Casablanca. That's because he's so darn cute.

This is a much better Lorre-Bogart interaction, because there's no Lorre-beating.

Peter Lorre - Body Count (Arsenic and Old Lace - 1944)

http://www.youtube.com/watch?v=9KrOIeYpjyQ

"He wouldn't have died of pneumonia if I hadn't shot him first."

Peter Lorre - To Panama! (Arsenic and Old Lace -1944)

http://www.youtube.com/watch?v=Y5PPvj61eQg

"Panama's a long ways off...."

The Maltese Falcon

http://youtube.com/watch?v=PxnDDa8LjW8

This is my favorite scene in the Maltese Falcon. Bogart takes away his gun and beats him up, while smiling and holding on to his cigarette with his lips. Dude. There's a reason he's the greatest actor of all time.