Jon Hamm Shows Off Buff Biceps Heading to Studio in L.A.

Jon Hamm is looking buff! The 49-year-old Mad Men and actor was seen texting on his phone as he arrived at a voice-over studio on Thursday afternoon (September 3) in Los Angeles. PHOTOS: Check out the latest pics of Jon Hamm Jon showed off his buff arms in a white, U.S. Open T-shirt paired with