John Echolls is a fictional character portrayed by Oliver Muirhead in the TV series Mad Men.
In the first episode they appeared in, titled Collaborators (season 6), they were 55 years old.
They appear in 1 episodes out of a total of 92 aired
Episodes1
Collaborators
episode S6.E3 april 2013While Don continues his affair with Sylvia, Pete's latest infidelity threatens his marriage. Meanwhile, Peggy's icy relationship with her new staff continues, but she also gets an unlikely tip on a potential new client.