Bruce Willis

What Bill Murray had to say during his surprise Comic-Con appearance

He might star in some of the biggest nerd classics of all time, but Bill Murray had never been to their ultimate convention.

That changed early Thursday when the actor strutted through the massive Hall H, marking his first appearance at San Diego Comic-Con to promote his upcoming film "Rock the Kasbah."

The Deep Purple song "Smoke on the Water" blasted on the speakers while Murray high-fived the screaming audience members on his way to the stage.

Murray stars as a washed-up music manager who discovers a young talent while stranded in Afghanistan.

"I'm rock 'n' roll," Murray said. "That's what I am."

The film is...

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