It was all about the funny at the Get Smart premiere in Hollywood Monday night.
"I did four sit-ups to prepare myself for this role," said Carell. "Over two days. I spread it out because I didn't want to be too sore."
Carell isn't the only castmember revealing strength-building secrets. Check out what his costars Anne Hathaway and Dwayne Johnson have to say in these videos.
For even more highlights from the Get Smart premiere, head over to our video section.
And be sure to catch the E! Special Live From the Red Carpet: Get Smart Wednesday, June 18 @ 6 p.m.