Samuel L. Jackson & Colin Firth are Dapper Dudes at the Charity Ball!

Samuel L. Jackson stays cozy in a sweater at the One For The Boys Charity Ball during the London Collections: Men SS15 on Sunday afternoon (June 15) in London, England.

The 65-year-old actor is the Chairman of the campaign that focuses on educating men on their health risks in hopes they will seek treatment sooner than later.

PHOTOS: Check out the latest pics of Samuel L. Jackson

Also showing their support at the event were actors Colin Firth and Daniel Bruhl.

That same day, Samuel wished all the dads in the world a Happy Father’s Day.

“HAPPY FATHERS DAY to all the MEN that are Positively engaged in the lives of their kids!! U sperm donors need not apply,” he tweeted.