Christina Haag is an actress, best known for Half Brother, The Mantis Murder, and A Marriage: Georgia O'Keeffe and Alfred Stieglitz. Other film credits include Lost in the Bermuda Triangle, Condition: Critical, Archie: To Riverdale and Back Again, Shaking the Tree, A Matter of Degrees, and The Little Victims.

Television credits include Erica Connelly on NBC’s Providence and guest appearances on NBC’s Law & Order: Special Victims Unit, NBC’s ER, CBS’ Criminal Minds, NBC’s Heroes, and Lifetime’s The Division.

Theatre credits include Off-Broadway, as Flannery in Have You Spoken to Any Jews Lately? (American Jewish Theatre), Lady Katherine in Love’s Labor’s Lost (Theatre at St. Clement’s), Donna in Camp Paradox (WPA Theatre); and regionally, as Catherine Murdoch in The Invested (4th Street Theatre), Yelena Andreyevna in Uncle Vanya (Geffen Playhouse), Annie in the Real Thing (Pasadena Playhouse), and her Drama-Logue Award-winning role as Desdemona in Othello (Old Globe Theatre).