All 130 actors in both ER and How to Get Away with Murder
130 actors have appeared in both ER and How to Get Away with Murder, across 421 episodes. The most-credited is Laura Innes, Dr. Kerry Weaver in ER and Governor Lynne Birkhead in How to Get Away with Murder.
| Actor | In ER | In How to Get Away with Murder | Eps | Eps |
|---|---|---|---|---|
| Laura Innes | Dr. Kerry Weaver | Governor Lynne Birkhead | 15 | 8 |
| Glynn Turman | Mr. Holmes | Nate Lahey Sr. | 1 | 8 |
| Tom Everett Scott | Eric Wyczenski | Andrew Crawford | 8 | 1 |
| Sam Anderson | Dr. Jack Kayson | Thomas Fitzgerald | 19 | 1 |
| Sumalee Montano | Duvata Mahal | FBI Agent Nancy Bayer | 10 | 2 |
| Amy Madigan | Mary Taggart | Irene Crowley | 2 | 1 |
| Gloria Garayua | Gloria Ortiz | Detective Brianna Davis | 1 | 8 |
| John Posey | Mr. Ramsey | William Millstone | 1 | 5 |
| April Parker Jones | Joyce | Detective Claire Bryce | 1 | 3 |
| L. Scott Caldwell | Dr. Rabb | Jasmine | 2 | 4 |
| Michelle Hurd | Courtney Brown | Amanda Winthrop | 6 | 1 |
| José Zúñiga | Eduardo Lopez | Jorge Castillo | 2 | 1 |
| Andi Chapman | Joanie Albright | Peggy | 2 | 2 |
| Jacqueline Hahn | Dr. Bazzano | Judge Barbara Jacobs | 1 | 5 |
| Barbara Eve Harris | Sakina, Mrs. Kendrick | Judge Fiona Pruitt | 3 | 2 |
| Lawrence Mandley | Jackson, Maintenance Man | Quentin | 2 | 1 |
| Roxanne Hart | Mrs. Kottmeier | Sylvia Mahoney | 2 | 4 |
| Roger Robinson | Carl Ferris, Mr. Wass | Mac Harkness | 3 | 3 |
| Steven Culp | Dave Spencer, Dr. Charles Cameron | Victor Lesher | 5 | 1 |
| Freda Foh Shen | Audiologist | Dr. Phillips | 3 | 1 |
| Tracy Vilar | Doris | Prosecutor Barker | 2 | 1 |
| Amy Pietz | Loren | Sharon Remini | 1 | 1 |
| Dendrie Taylor | Mrs. Knoll | Eileen Colterman | 1 | 1 |
| Lauren Bowles | Hannah | AUSA Montes | 1 | 3 |
| Molly Hagan | Meredith Smart | A.D.A. Nancy Montoya | 1 | 1 |
| Peter Onorati | Officer Nick Napolitano | Leo Lombardo | 1 | 1 |
| Christopher Grove | Dr. Marty Kline | A.D.A. Rustein Tarpley | 4 | 1 |
| John Eric Montana | Mr. Odachowski | Judge Robert Hemmings | 1 | 2 |
| Stephanie Faracy | Angie | Ellen Freeman | 1 | 2 |
| Julie Dretzin | Shelly | Special Agent Alexandra Kain | 1 | 3 |
| Cristine Rose | Mrs. Martinez | Judge Wenona Sansbury | 1 | 2 |
| Dalila Ali Rajah | Receptionist | Judy | 1 | 1 |
| Emily Bergl | Gloria Milton | Sally | 1 | 1 |
| Jamie McShane | Josh Rushing | U.S. Attorney Lennox | 1 | 2 |
| Jane Daly | Diane Armitage | Judge Constance Horning | 1 | 1 |
| Michael McGrady | Fire Captain Davis | AUSA Hobbs | 1 | 1 |
| Tim Griffin | Captain John Evans | AUSA Caleb Abernathy | 2 | 1 |
| Toni Torres | Lorraine | Detective Phillipe | 1 | 3 |
| Alexandra Billings | Ms. Mitchell | Jill Hartford | 1 | 1 |
| David Gautreaux | Scruffy | Art Truco | 1 | 1 |
| Lisa Kaminir | Jessie | Dr. Maureen Groff | 1 | 1 |
| Mark Harelik | James | Niles Harrington | 1 | 1 |
| Michael Gaston | U.S. Marshal Rick Cromley | Prosecutor Henry Williams | 1 | 1 |
| Andy Umberger | Dr. David Harvey | AUSA Henry Schuler | 2 | 1 |
| Anne-Marie Johnson | Sickle Cell Patient | Kendra Strauss | 1 | 2 |
| Alina Phelan | Mom | Susan Boatman | 1 | 1 |
| Ana Ortiz | Laura | Paula Murphy | 1 | 1 |
| Cat Hammons | Counter Girl | Police Desk Clerk | 1 | 2 |
| Deborah Geffner | Mrs. Street | Jillian | 1 | 1 |
| François Chau | Neuro Resident | Carl's Lawyer | 2 | 1 |
| Jim Ortlieb | Cook | Judge Dennis Cruz | 1 | 1 |
| John Thaddeus | Keith Nelson | Cabbie | 1 | 2 |
| Judith Moreland | Nurse Terry | Judge Virginia Wilder | 1 | 1 |
| Judith Scott | Mandy Smith | Attorney Barham | 1 | 1 |
| Karina Logue | Radio Show Host | A.D.A. Rita Kaplan | 1 | 1 |
| Lily Knight | Mary Cochran | Amber Crowley | 1 | 1 |
| Mari Weiss | Vicki | Judge Clarice Redding | 1 | 1 |
| Paula Newsome | Rehab Receptionist Margaret | Joyce Robinson | 1 | 1 |
| Susan Angelo | Mrs. Frum | Ruth Stevenson | 1 | 1 |
| Christopher Darga | Wilson | Victor | 1 | 1 |
| Colby French | Greg Becton | ADA Barrett Nelson | 1 | 1 |
| Dave Shalansky | Mr. Saltzman | A.D.A. Seth Keough | 1 | 1 |
| Josh Clark | Officer McCauly | Commissioner Monaghan | 1 | 1 |
| Mary Pat Gleason | Anne Parks | Robin Laforge | 1 | 1 |
| Michael Hyatt | Yvonne Devilliere | Camila | 1 | 1 |
| Patricia Belcher | Ward Nurse | Judge Corrine Stefano | 1 | 1 |
| Romy Rosemont | Joanne Bairos | Vera Dewitt | 1 | 1 |
| Ron Bottitta | Lionel Hines-Kennedy | Pierce Jensen | 1 | 1 |
| Sarah Benoit | Melanie | Female TV Addict | 1 | 1 |
| Tom Irwin | Gabriel Milner | Justice Spivey | 1 | 1 |
| Jeris Lee Poindexter | Nate, Rafe | James Smalley | 2 | 1 |
| David Denman | Jeremy Willis / "Angel" | Kevin Murphy | 1 | 1 |
| Eamon Hunt | Mrs. O'Leary's Cow | Judge Colton Lee | 1 | 1 |
| Jarrod Crawford | David "Diamond Z" Zachary | Dr. Robin Sinnamby | 1 | 1 |
| Jeff Doucette | Larkowski | Judge George Danvers | 1 | 1 |
| Michael Reilly Burke | Dick White | Louis Lindgren | 1 | 1 |
| Tim Russ | Dr. Medford | Judge Kofi Bonaparte | 1 | 1 |
| Vincent Duvall | Father | D.A. Roger Galvinson | 1 | 1 |
| Alex Alexander | Betty, Carol Weddington | Nurse | 2 | 1 |
| J. Anthony Pena | Tackle | Prison Guard, Sheriff's Deputy | 1 | 2 |
| Arye Gross | Kevin | Connor's Lawyer | 1 | 1 |
| Dean Cameron | Edward | Jim Buchanan | 1 | 1 |
| Jen Dede | Officer Hudson | Cynthia Ewing | 1 | 1 |
| Michelle Azar | Marnie Wilcox | ADA Lee | 1 | 1 |
| Monnae Michaell | Mrs. Bell | Medical Examiner | 1 | 1 |
| Lynn Ann Leveridge | Sue, Woman | Medical Examiner | 2 | 1 |
| Carlease Burke | Policewoman | Prosecutor | 1 | 1 |
| Donna Pieroni | Wuss | Linda Morelli | 1 | 1 |
| Iyari Limon | Brenda | Annalise's Handler | 1 | 1 |
| Lou Richards | Perkins | Father Bernard | 1 | 1 |
| Meera Simhan | Mandy | Judge Talulah Kendrick | 1 | 1 |
| Robin Karfo | Dr. Hampton | DOJ Attorney Reyes | 1 | 1 |
| Sandra Cevallos | Stacey | Dr. Murphy | 1 | 1 |
| Drew Fonteiro | Jared | Young Tweeker Guy | 2 | 1 |
| Albie Selznick | Mr. Lanford | Edith's Lawyer | 1 | 1 |
| Alison Martin | Mrs. Kendrick | Ms. Maloney | 1 | 1 |
| Betsy Baker | Dr. Wheeler | Waitress | 1 | 1 |
| Bianca Lopez | Monica | ER Doctor | 1 | 1 |
| Dan Martin | Lieutenant | Janitor Joe | 1 | 1 |
| Eve Gordon | Mrs. Nugent | ADA Gibson | 1 | 1 |
| Kila Kitu | Sciatica Lady | Concerned Looky-Loo | 1 | 1 |
| Sharon Omi | Nurse Sulla | ADA Karen Hawley | 1 | 1 |
| Tim Powell | Mannon | Caplan & Gold Partner 3 | 1 | 1 |
| Anne Betancourt | Mrs. Kearney | Judge | 1 | 1 |
| Anne Gee Byrd | Harper | Edith Duvall | 1 | 1 |
| Bonnie Burroughs | Candy | Mrs. Stangard | 1 | 1 |
| Monti Sharp | Henry | Minister #1 | 1 | 1 |
| Pamela Shaddock | Reporter Winslow | Ms. Medick | 1 | 1 |
| William Christian | Hayward | DOJ Attorney | 1 | 1 |
| B.K. Cannon | Tammy | Sophie Dolan | 1 | 1 |
| Bob Rumnock | Phillip Berk | Judge Granville Killinger | 1 | 1 |
| Carrie Armstrong | Instructor | Receptionist | 1 | 1 |
| Nelson Mashita | Kazuo | Judge Gene Escobar | 1 | 1 |
| Tony Abatemarco | Loan Officer | Judge Rodger Charters | 1 | 1 |
| Gregory North | Dr. Neiser | Officer Gary Miller | 1 | 1 |
| Joshua Wolf Coleman | Respiratory Therapist | Ted | 1 | 1 |
| Karl T. Wright | Dr. Norris | Judge Bradford Wilkins | 1 | 1 |
| Teresa Huang | Vivian | Dr. Annabelle Grimes | 1 | 1 |
| Terry Woodberry | Cop | Rex Morris | 1 | 1 |
| Jesse D. Goins | Mr. Paige | Chief Justice Patrick Montgomery | 1 | 1 |
| Roberta Bassin | Francine | Jury Foreperson | 1 | 1 |
| Carole Gutierrez | Landlady | Pam | 1 | 1 |
| Jerry Hauck | Umpire | Judge James Badgely | 1 | 1 |
| John Ciccolini | Gary Jones | Morgue Attendant | 1 | 1 |
| Peggy Dunne | Silvia | Sharon Sherwin | 1 | 1 |
| Tonya Cornelisse | Emily | Sketchy Woman | 1 | 1 |
| Kim Delgado | Taxi Driver | Judge Howard Walker | 1 | 1 |
| Lizzie Peet | Jinko | Nurse Janice | 1 | 1 |
| Lynette DuPree | Athena | Judge Yolanda Nichols | 1 | 1 |
| Steven M. Gagnon | Dr. Blum | Officer James Nelson | 1 | 1 |
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Cast data from TVmaze, licensed CC BY-SA 4.0.