(1/6) Mary Stuart Opening: John Slattery from Mad Men

John Slattery from Mad Men at the opening night of the Donmar Warehouse Production of Mary Stuart at the Broadhurst Theatre, New York City - April 19, 2009

Joseph Marzullo/WENN

TAGS: John Slattery, Mary Stuart, Broadway

(2/6) Second Stage All-Star Bowling Classic: John Slattery from Mad Men

John Slattery at the Second Stage Theatre's All-Star Bowling Classic Fundraiser held at Lucky Strike Lanes and Lounge, New York City - February 2, 2009

Joseph Marzullo/WENN.COM

TAGS: John Slattery, Second Stage, 2009 All-Star Bowling Classic

(3/6) Mary Stuart Opening: John Slattery before the show

John Slattery at the opening night of the Donmar Warehouse Production of Mary Stuart at the Broadhurst Theatre, New York City - April 19, 2009

Joseph Marzullo/WENN

TAGS: John Slattery, Mary Stuart, Broadway

(4/6) Stand Up For Heroes Benefit: John Slattery with his wife Talia Balsam

John Slattery and his wife Talia Balsam attend the NY Comedy Festival Event - Stand Up For Heroes: A Benefit for the Bob Woodruff Foundation held at Town Hall - Arrivals, New York City - November 5, 2008

Joseph Marzullo/WENN.COM

TAGS: John Slattery, Talia Balsam, 2008 Stand Up For Heroes Benefit, Benefits And Galas

(5/6) Almost an Evening Opening: John Slattery poses with Talia Balsam

John Slattery and his wife of nine years, actress Talia Balsam attending the opening night after party for Ethan Coen's Almost An Evening held by Atlantic Theatre Company, New York City - January 22, 2008

Joseph Marzullo/WENN

TAGS: John Slattery, Talia Balsam, Almost And Evening

(6/6) Stand Up For Heroes Benefit: John Slattery

John Slattery attends the NY Comedy Festival Event - Stand Up For Heroes: A Benefit for the Bob Woodruff Foundation held at Town Hall - Arrivals, New York City - November 5, 2008

Joseph Marzullo/WENN.COM

TAGS: John Slattery, Headshot, 2008 Stand Up For Heroes Benefit, Benefits And Galas