January Jones, Christopher Stanley, Kiernan Shipka, and Mason Cotton in Mad Men (2007)

Teri Hatcher and Mason Cotton in Desperate Housewives (2004)

January Jones, Christopher Stanley, Kiernan Shipka, Mason Cotton, and Evan Londo in Mad Men (2007)

January Jones, Jon Hamm, and Mason Cotton in Mad Men (2007)

January Jones, Jessica Paré, Christopher Stanley, Mickey Maxwell, Kiernan Shipka, Mason Cotton, Ryder Londo, and Alexander Michael Helisek in Mad Men (2007)

Jessica Paré, Kiernan Shipka, Mason Cotton, and Ryder Londo in Mad Men (2007)

January Jones, Jon Hamm, Jessica Paré, Christopher Stanley, Kiernan Shipka, Mason Cotton, and Evan Londo in Mad Men (2007)

Jon Hamm, Kiernan Shipka, Mason Cotton, and Evan Londo in Mad Men (2007)

Jon Hamm, Jessica Paré, Mason Cotton, and Evan Londo in Mad Men (2007)

Mason Cotton in Desperate Housewives (2004)

Teri Hatcher, Vanessa Williams, and Mason Cotton in Desperate Housewives (2004)

James Denton and Mason Cotton in Desperate Housewives (2004)

Dana Delany and Mason Cotton in Desperate Housewives (2004)

Teri Hatcher, James Denton, and Mason Cotton in Desperate Housewives (2004)

Jon Hamm and Mason Cotton in Mad Men (2007)

Mason Cotton at an event for The 67th Primetime Emmy Awards (2015)

Kiernan Shipka and Mason Cotton in Mad Men (2007)

January Jones, Jessica Paré, Kiernan Shipka, Mason Cotton, and Evan Londo in Mad Men (2007)

Mason Cotton at an event for The 66th Primetime Emmy Awards (2014)

Kate Reinders, David Milchard, Jesse Reid, Mason Cotton, Kaitlyn Maher, Sean Giambrone, Steve Richmond, and Mckenna Grace in Russell Madness (2015)