top of page

KERRY O'malley



“The actors, under Fincher’s concise direction, give terse and believable performances, with Arliss Howard making a strong impression as a man bravely facing down his impending demise and Kerry O'Malley all but stealing the film with her heartbreaking turn as a terrified assistant in the wrong place at the wrong time.”

David Fincher's new movie


A native of Nashua, New Hampshire, Kerry O'Malley received her A.B. in History and Drama from Duke University and graduated from the American Repertory Theater Institute for Advanced Theater Training at Harvard University. As the youngest of four children, Kerry honed her theatrical skills at a young age. 


Recent film credits include her “scene-stealing” role as Dolores in David Fincher’s The Killer, Mother’s Mother in Marielle Heller’s Nightbitch, Azalia in Tyler Perry’s MeaCulpa, and Mildred in Tyler Perry’s Six Triple Eight. Recent television credits include her recurring roles as first class passenger Lilah Folger on TNT's Snowpiercer and Mavis in the second season of Marc Cherry's Why Women Kill for Paramount Plus. 


Her series regular roles include Dr. Mia Vogel, forensic pathologist, on Glen Morgan's Those Who Kill for A&E, Trish on the Fox sitcom Costello, and Kerry on NBC's The Mike O'Malley Show. Recurring roles include Dr. Moreau on Kevin Hart’s Real Husbands of Hollywood, Sister Alice on Taylor Sheridan’s 1923, Kay Maloney on Billy Ray’s The Last Tycoon, Mabel Byrne on CBS All Access' Strange Angel; Kate, the bartender of the Alibi Room, on Showtime's Shameless; Mary-Kate, sister to the titular brothers of Showtime's acclaimed Brotherhood, created by Blake Masters; Savannah Couronis on Survivor's Remorse on STARZ; Darla on Netflix's Wet Hot American Summer: Ten Years Later; Edwina Shearer on HBO's Boardwalk Empire; Beverly Mayfair on the CW's Hart of Dixie, and Paula Portis on Heels for STARZ. 


In addition to these regular and recurring roles, Kerry has made numerous guest star appearances on shows including Grey’s Anatomy, 9-1-1: Lone Star, Goliath, Young Sheldon,  Major Crimes, The Orville, Modern Family, Chicago Med, 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. Her film credits include Terminator Genisys with Emilia Clarke and Arnold Schwarzenegger, Annabelle, 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. 


Kerry is an accomplished Broadway performer with numerous New York theater credits including 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; Betty Haynes (the Rosemary Clooney role) in Irving Berlin's White Christmas, directed by Walter Bobbie; Dr. Sharone Stein in Michael Mayer's revival of On a Clear Day You Can See Forever; Dolly Tate (and understudy to Reba McEntire) in Annie Get Your Gun, directed by Graciela Daniele; and Billy's Mum in Billy Elliot, directed by Stephen Daldry. Off-Broadway, Kerry performed as 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. She has performed as a singer with orchestras across the country, including the Pittsburgh Symphony Orchestra, the Phoenix Symphony Orchestra, the Buffalo Philharmonic Orchestra, and the Boston Landmarks Orchestra. Kerry makes regular cabaret appearances in Los Angeles and New York.Kerry is a passionate Boston sports fan and has performed 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. She is the sister of actor and writer Mike O'Malley.

Period Costume Reel



Los Angeles Agent:

 Joe Le

The Joseph Le Agency



Tiffany Kuzon

Mosaic Media Group



New York Agent: 

Marilynn Scott Murphy

Professional Artists Talent Agency


bottom of page