All 90 actors in both ER and True Blood
90 actors have appeared in both ER and True Blood, across 411 episodes. The most-credited is Tanya Wright, Megan Strand in ER and Kenya Jones in True Blood.
| Actor | In ER | In True Blood | Eps | Eps |
|---|---|---|---|---|
| Tanya Wright | Megan Strand | Kenya Jones | 1 | 17 |
| Adina Porter | Mrs. Hopkins | Lettie Mae Thornton | 1 | 13 |
| Dale Dickey | Mrs. Price | Martha | 1 | 12 |
| Joe Manganiello | Officer Litchman | Alcide Herveaux | 4 | 7 |
| Jessica Tuck | Dr. Hemmings | Nan Flanagan | 1 | 9 |
| John Prosky | Mr. Brooks | David Finch | 4 | 6 |
| Lauren Bowles | Hannah | Holly Cleary | 1 | 4 |
| Deborah Ann Woll | Aurora Quill | Jessica Hamby | 1 | 3 |
| Erica Gimpel | Adele Newman | Faerie Elder | 19 | 1 |
| Dean Chekvala | Mugger | Roy | 1 | 8 |
| Lois Smith | Gracie | Adele Hale Stackhouse | 4 | 2 |
| William Sanderson | Mr. Percy | Sheriff Bud Dearborne | 1 | 2 |
| Aisha Hinds | Administrator | Miss Jeanette | 1 | 7 |
| Michael Raymond-James | Mr. Tunny, Stuart Moore | Rene Lenier | 2 | 3 |
| Marque Richardson II | Saga | Kenneth | 1 | 11 |
| Gregg Daniel | Mr. Powell | Reverend Daniels | 1 | 5 |
| Željko Ivanek | Bruce Resnick | Magister | 1 | 5 |
| Annie Fitzgerald | Devin Paxon | Kirsch | 1 | 6 |
| Jenni Blong | Elaine Griswold | Michelle Stackhouse | 1 | 7 |
| Brendan Patrick Connor | Paramedic Reidy | Man with Beer | 13 | 1 |
| Brett Rickaby | Vincent Hales | Vince | 1 | 4 |
| Cooper Huckabee | Hayes | Joe Lee Mickens | 1 | 7 |
| Conor O'Farrell | Richard Abbott | Judge Clements | 2 | 2 |
| Mariana Klaveno | Rebecca | Lorena Krasiki | 1 | 2 |
| Stacy Haiduk | Impaled Mom | Jenny | 1 | 4 |
| Stephanie Erb | Mrs. Kinney | Luellen | 1 | 5 |
| William Schallert | Mitchell Jennings | Mayor Norris | 1 | 3 |
| Dendrie Taylor | Mrs. Knoll | Beverleen | 1 | 5 |
| Avion Baker | Kayla | Young Tara | 1 | 4 |
| Andrew Rothenberg | Pauly Johnson | Malcolm | 1 | 3 |
| Shannon Lucio | Johanna Lambright | Caroline Compton | 1 | 3 |
| Valorie Hubbard | Mrs. Bulowski | Random Frenzier | 1 | 3 |
| Chris Butler | Cop | Emory | 1 | 4 |
| Gary Kraus | CJ | Mailman Vampire, Man in Bar | 1 | 2 |
| George Gerdes | Jim Riley | Sid Matt Lancaster | 2 | 1 |
| Karina Logue | Radio Show Host | Denise Rattray | 1 | 2 |
| Henri Lubatti | Victor | Nigel Beckford | 1 | 4 |
| Rick Cramer | McCormick, Officer O'Bannon | Robert Rollins | 2 | 1 |
| Stewart Skelton | John Taylor | Minister | 1 | 2 |
| E.J. Callahan | Drunk | Luther | 1 | 3 |
| Jayden Lund | Workman #2 | Doug | 1 | 3 |
| Cheyenne Wilbur | Garrity | Uncle Bartlett | 1 | 2 |
| Ingo Neuhaus | Cop, McNally | Camp Guard #1, Mac Gilvary | 2 | 4 |
| James McCauley | Dan Shore | Paul McClatchy | 1 | 2 |
| Cal Gibson | Kim Tadlock | Older Vampire | 1 | 1 |
| Earl Billings | Ray Jamison | Buster | 1 | 1 |
| Michael Maize | James | Smarmy Guard | 1 | 3 |
| Michael McCafferty | Father | Bruce | 1 | 1 |
| Larry Udy | Evidence Tech | Jane's Vampire Date, Man at Bar | 1 | 2 |
| Lorin McCraley | Gillie | F.W., Grabbit Quik Clerk | 1 | 2 |
| Ronnie Gene Blevins | Nemo Baker | T-Dub | 1 | 2 |
| Stephen Monroe Taylor | Ulney | Prisoner Jimmy | 1 | 2 |
| Dean Norris | Bomb Specialist Clark | Leon | 1 | 1 |
| Kathleen M. Darcy | Judy | Carpool Mom Vampire | 1 | 1 |
| Lorna Scott | Stan's Wife | Sav-A-Bunch Shopper | 1 | 1 |
| Rebecca Tilney | Judy Cochran | Dr. Sekuler | 1 | 1 |
| Keram Malicki-Sánchez | Rick | Elijah | 1 | 2 |
| Arthur Darbinyan | Mr. Papazian | Nayat | 1 | 1 |
| Cheryl White | Meryl Sites | Mrs. Hamby | 1 | 1 |
| Kevin Fry | Detective Demetras | Turk | 1 | 2 |
| Terrell Lee | Russomante | Mr. Stewart | 1 | 1 |
| Cathryn de Prume | Andrea Bryson | Warlow's Mother | 1 | 1 |
| Gina Morelli | Mirissa | Very Old Woman | 1 | 1 |
| Silvia Curiel | Zoila | Witch #3 | 1 | 2 |
| Colby French | Greg Becton | Frank | 1 | 1 |
| Derek Mears | Mugger | Burly H-Vamp | 2 | 1 |
| Drew Powell | Dennis Voltaire | Ryder | 1 | 1 |
| Lenny Schmidt | Cletus Hawkins | Sidney | 1 | 1 |
| Marina Benedict | Lois Landry | Veronica | 1 | 1 |
| Randy Oglesby | PICU Doctor | Rev. Theodore Newlin | 1 | 1 |
| Stephan DuVall | George Pisoni | Frank | 1 | 1 |
| Lillian Hurst | Mrs. Landeta | Great Aunt Cecilia | 1 | 1 |
| Scott Klace | Chris Halpern | Jimmy | 1 | 1 |
| Shishir Kurup | Pakastani Student | Guru Sanbir Dutta | 1 | 1 |
| Duane R. Shepard, Sr. | Janitor | Customer #2 | 1 | 1 |
| Barbara Whinnery | Mrs. Draper | Child Psychologist | 1 | 1 |
| Cullen Douglas | Marvin | Mitch Merlotte | 1 | 1 |
| Eugene Byrd | James Connor | Jerome | 1 | 1 |
| Hubert Hodgin | Sal | Connor Farley | 1 | 1 |
| Jamie Renee Smith | Emily Perrault | Melanie | 1 | 1 |
| Keith Oney | Police Officer | Man in Bar | 1 | 1 |
| Rick Overton | Mr. McNamara | Stewart Shelby | 1 | 1 |
| Susan Merson | Mrs. Blum | Woman in Booth | 1 | 1 |
| John F. Schaffer | Drooling Patient | Sav-A-Bunch Manager | 1 | 1 |
| Betsy Baker | Dr. Wheeler | Midwife | 1 | 1 |
| Rod Britt | Mr. Helpful | Bank Manager | 1 | 1 |
| Pattie Tierce | Trailer Park Lady | Woman in Bar | 1 | 1 |
| Nate Reese | Server #2 | Man in Church | 1 | 1 |
| Anne Johnson | Elderly Patient | Religious Looking Woman | 1 | 1 |
| Tahmus Rounds | Colby | Drunk Man | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.