Clark Gregg

Appeared in the Marvel Comics film adaptation "Iron Man" as Agent Coulson

Directed the film adaptation of Chuck Palahniuk's novel "Choke" starring Sam Rockwell

Played Meg Ryan's husband in Jonathan Kasdan's directorial debut "In the Land of Women"

Cast as Julia Louis-Dreyfus' ex-husband on the CBS sitcom, "The New Adventures of Old Christine"

Starred in the remake of the 1979 thriller, "When a Stranger Calls"

Co-starred opposite Topher Grace and Scarlett Johansson in the comedy "In Good Company"

Acted opposite Anthony Hopkins in "The Human Stain"

Cast in the HBO movie "Live From Baghdad"

Had featured role in "We Were Soldiers"

Cast in a recurring role on "The West Wing" (NBC) as FBI Special Agent Michael Casper

Featured in the Off-Broadway revival of Mamet's "Sexual Perversity in Chicago"

Re-teamed with Mamet for the ensemble feature "State and Main"

Screenwriting debut, "What Lies Beneath"; directed by Robert Zemeckis and starring Harrison Ford and Michelle Pfeiffer

Appeared in Paul Thomas Anderson's "Magnolia"

Won praise for his turn as a transsexual in "The Adventures of Sebastian Cole"

Cast in the Atlantic Theater presentation of Jez Butterworth's comedy "Mojo"

Re-teamed with Mamet for "The Spanish Prisoner"

Staged the Atlantic Theater Company revival of Mamet's "Edmond"

Played Dr. Walters in Bryan Singer's "The Usual Suspects"

Portrayed fight trainer Kevin Rooney in the HBO film, "Tyson"

Re-teamed with Macy for the HBO film, "Above Suspicion"

Appeared in Charles Shyer's "I Love Trouble"

First film with Bashar Shbib, "Lana in Love"

Directed NYC premiere of Kevin Heelan's "Distant Fires" at Atlantic Theater Company; also helmed the 1993 Los Angeles premiere

TV debut on an episode of "Law & Order" (NBC)

Broadway debut in Aaron Sorkin's "A Few Good Men"

Cast in a supporting role in Roland Joffe's "Fat Man and Little Boy"

Appeared in the Lincoln Center production of Howard Korder's "A Boy's Life"; directed by Bill Macy

Feature acting debut in David Mamet's "Things Change"

Once again directed by Macy in the HBO production "Lip Service"

Off-Broadway acting debut in "Fun"

Co-founded the Atlantic Theater Company in NYC