Kerry O’Malley was raised in Nashua, NH. She was educated at Duke University and the American Repertory Theater Institute for Advanced Theater Training at Harvard University. Her New York theatre credits include roles on Broadway as Betty Haynes (the Rosemary Clooney role) in Irving Berlin’s White Christmas, directed by Walter Bobbie; The Baker’s Wife in the 2002 revival of Into the Woods, directed by James Lapine, for which she received Outer Critics and Drama Desk nominations; Dr. Sharone Stein in the revival of On a Clear Day You Can See Forever directed by Michael Mayer; Dolly Tate in Annie Get Your Gun, directed by Graciela Daniele; and Billy’s Mum in Billy Elliot, directed by Stephen Daldry. Off-Broadway she played Fran Kubelik opposite Martin Short in the acclaimed Encores! revival of Promises, Promises directed by Rob Marshall; Sharon in the Irish Repertory Theatre’s production of Finian’s Rainbow; and Mary in the Atlantic Theatre Company’s Dublin Carol, directed by the author, Conor McPherson. 

Her film credits include Terminator Genisys with Emilia Clarke and Arnold Schwarzenegger, Annabelle (prequel to The Conjuring), Annabelle: Creation, the Disney feature Earth to Echo, Case 39 with Renee Zellweger, The Happening with Mark Wahlberg, Rounders with Matt Damon, and many others.

Her television credits include series regular roles as forensic pathologist Dr. Mia Vogel on A&E’s production of Glen Morgan’s Those Who Kill, based on the Danish series Den Som Draeber, as Kerry on The Mike O’Malley Show on NBC, and as Trish on Costello on Fox. She has played recurring roles as screenwriter Kay Maloney in Billy Ray’s series adaptation of F. Scott Fitzgerald’s The Last Tycoon for Amazon; as Kate, the bartender of the Alibi Room, on Showtime’s Shameless; as sister Mary-Kate to the titular brothers of Showtime’s acclaimed Brotherhood, created by Blake Masters, in addition to  recurring roles on Starz’ Survivor’s Remorse, HBO’s Boardwalk Empire, the CW’s Hart of Dixie, on Netflix’s Wet Hot American Summer: Ten Years Later. She has made numerous guest star appearances on shows including The Orville, Chicago Med, Modern Family, Major Crimes, Backstrom, Masters of Sex, Rizzoli & Isles, The Mentalist, Criminal Minds, Detroit 187, Without a Trace, Cold Case, Law & Order, Law & Order: LA, Law & Order: SVU, NYPD Blue, Harry’s Law, 666 Park Ave, and many more. She can currently be seen in her recurring role as Mabel Byrne on CBS All Access’ Strange Angel, and will be recurring as first class passenger Lilah Folger on TNT’s upcoming series Snowpiercer.

Kerry has sung on concert stages all over the country as a featured soloist. She is a huge Boston sports fan and has sung the national anthem for many professional sports teams including the Boston Red Sox at Fenway Park, the Boston Celtics at TD Garden, the Minnesota Wild at Xcel Energy Center and the Pittsburgh Pirates at PNC Park. She resides in Los Angeles with her husband, Photographer and Police and Medical Technical Advisor, Karl Sonnenberg.