Mason Vale Cotton

• Name — Mason Vale Cotton • Born — 25 June 2002 • Birthplace — San Diego, California, U.S. • Education — Claremont McKenna College • Years Active — 2006present • Occupation — Actor • Known for — * Desperate Housewives • Mad Men • Relatives — Maxwell Perry Cotton (brother)

He was born on June 25, 2002, in San Diego, California, and began acting with an uncredited role in the 2006 television special A Dennis the Menace Christmas.

From 2008 to 2012, he played MJ Delfino, the child of Susan Mayer and Mike Delfino in the ABC soap opera Desperate Housewives,. Cotton then continued his career as a child actor in the AMC drama series Mad Men (20122015) as Bobby Draper, a role that garnered him a nomination at the 2016 Screen Actors Guild Awards, in the category of Outstanding Performance by an Ensemble in a Drama Series as part of the series' ensemble cast. Additionally, he provided additional voices for the 2011 animated film Happy Feet Two and played Max in the film Russell Madness (2015) and its 2020 series spinoff Russell Maniac. In 2017, he voiced the title character in the television film Hey Arnold!: The Jungle Movie.

• Year — Title — Role — Notes • 2008 — Medium — Ben Goldman — Episode: "And Then" • 2008 — ER — Brian — Episode: "Life After Death" • 2008–2012 — Desperate Housewives — M.J. Delfino — 54 episodes • 2009 — Prep & Landing — Timmy Terwelp (voice) — Television special • 2012–2015 — Mad Men — Bobby Draper — 33 episodes • 2016 — The Grinder — Son — Episode: "Genesis" • 2017 — Hey Arnold!: The Jungle Movie — Arnold Shortman (voice) — Television film • 2020 — Russell Maniac — Max Ferraro — 7 episodes • 2023 — Party Down — Todd Meuse — Episode: "Sepulveda Basin High School Spring Play Opening Night"