Justin Kirk is an American actor best known for his role as Prior Walter in Mike Nichols' screen adaptation of Angels in America, for which he received an Emmy nomination for Best Supporting Actor in a Mini-Series.
He is also known as Andy Botwin on the Showtime television series Weeds. He was nominated for a Golden Globe in 2007 for this role.
Kirk has appeared in several independent films including The Presence, opposite Mira Sorvino and Shane West; Elektra Luxx, opposite Carla Gugino and Timothy Olyphant; and See You In September, directed by Tamara Tunie.
Appearing in notable guest spots on Without a Trace, Everwood, CSI: Crime Scene Investigation, Law & Order: Special Victims Unit and Jack And Bobby; Kirk was also a series regular on the WB series Jack And Jill.
Other film credits include Peter Callahan's Against the Current, Wyatt McDill's Four Boxes, Maria Maggenti's Puccini for Beginners, Jeff Lipsky's Flannel Pajamas, Robert Towne's Ask The Dust, Henry Jaglom's Hollywood Dreams, Chapter Zero, and the independent thrillers The Eden Myth and Outpatient.
He also worked on Harry Shearer's Teddy Bears' Picnic.
Also a highly accomplished stage actor, Kirk won the Obie Award for Distinguished Performance in the Ensemble for his portrayal of the blind character Bobby in Love! Valour! Compassion! and went on to star in the feature film adaptation.
In 2001, he co-starred with Julianna Margulies and Donald Sutherland in Jon Robin Baitz's Ten Unknowns at Lincoln Center. The role won him a Lucille Lortel Award, as well as Drama Desk and Outer Critics Circle nominations.
Additional stage work includes The World Over at Playwrights Horizons, Old Wicked Songs at New York's Promenade Theatre and Los Angeles' Geffen Playhouse in which he starred as a piano prodigy, winning a Backstage West Garland Award for Outstanding Performance.
He also appeared in Any Given Day at the Longacre Theatre and June Moon with the Drama Department, a theatre company of which he is a founding member.