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 in "Kasbah" 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 directed by Barry Levinson and co-stars Bruce Willis, Kate Hudson, and Zooey Deschanel. It is scheduled to hit theaters Oct. 23.
Willis and Murray have an ancient history that goes beyond "Moonrise Kingdom" and the upcoming "Rock the Kasbah," but that was news to Murray, he told audiences at Comic-Con.
Willis, Murray said, was a page on "Saturday Night Live" back in the day.
Although Murray didn't remember Willis in his lowly stint fetching coffee for the performers on the show, Willis fortunately had decent memories of Murray.
A few years later, Willis told Murray that he was one of the only people who was nice to him on set. The other was Gilda Radner.
Murray is a big fan of Miley Cyrus, he told audiences at Comic-Con.
"I thought she was just a knucklehead crazy girl, the kind of girl you would go on a road trip with," he said. But now, he's a believer.
"She's really good," he said.
Murray's been on a bit of a music tear lately, hanging with singer/songwriter Jenny Lewis at the Grateful Dead's farewell shows in Chicago this past weekend. The two rocked out to the Dead songs with people including Woody Harrelson.
He also said he's fond of the electronic band XX, which he saw "accidentally" in Nashville once.