Jon Hamm: 'Conan' Appearance Tonight!

Jon Hamm takes his dog for a walk on Sunday (November 7) in Los Angeles.

The 39-year-old actor brought a mug of coffee along with him for the walk!

Jon will be a guest on the first week of Conan O’Brien‘s new show, Conan!

Jon will drop by on Wednesday (November 10) to chat with Conan. Other guests that evening include Charlyne Yi and Fistful of Mercy.