Trivia

Son-in-law of Joyce Van Patten and the late Martin Balsam.

Enjoys surfing.

John and Talia were married on the island of Kauai in Hawaii.

Received his B.F.A. from Catholic University of America in 1984.

Has four older sisters and one younger brother.

In the Broadway play, "Rabbit Hole," John's character, Howie Corbett, watches videos of Becca and Howie's son, Danny. The voice on the video is John's real 5 year old son, Harry.

Irish-American.

Appearing on Broadway in "Rabbit Hole". The play also stars Cynthia Nixon and Tyne Daly. (enero de 2006)

Nephew-in-law of Dick Van Patten and Pat Poole.

Engaged to Talia Balsam. (abril de 1998)

Currently starring on AMC's critically acclaimed drama, Mad Men (2007) as "Roger Sterling". (julio de 2007)

Father of Harry Slattery (born 1999) with his wife Talia Balsam.

Is a Democrat, but portrays a Republican in Jack & Bobby (2004).

His Marvel character, Howard Stark, is the father of Tony Stark, who is modeled after Howard Hughes. In Spotlight, he plays Ben Bradlee, Jr., whose father, Ben Bradlee, was played by Jason Robards, who also played Howard Hughes in Melvin & Howard.

Currently guest-starring on Esposas desesperadas (2004) as "Victor Lang", a new love interest for "Gabrielle Solis". (marzo de 2007)

The first to play the role of Michael Cassidy, the ex-husband of the title character on "Judging Amy". The role was later taken over by Richard Burgi. Burgi and Slattery later both played recurring guest roles on "Desperate Housewives" but never appeared in the same episode. Slattery played Victor Lang, Gabby's love interest on "Desperate Housewives" for 14 episodes in 2007. Burgi played Karl Mayer, Susan's ex-husband for 46 episodes in 2004, 2006, 2008 and 2009 but was absent from the show during John's run.