All 154 actors in both ER and Nip/Tuck
154 actors have appeared in both ER and Nip/Tuck, across 431 episodes. The most-credited is John Aylward, Dr. Donald Anspaugh in ER and Father Malley in Nip/Tuck.
| Actor | In ER | In Nip/Tuck | Eps | Eps |
|---|---|---|---|---|
| John Aylward | Dr. Donald Anspaugh | Father Malley | 74 | 1 |
| Kristin Minter | Randi Fronczak | Kitty | 70 | 1 |
| Roma Maffia | Ms. Prager | Liz Cruz | 3 | 9 |
| Leslie Bibb | Med Student Erin Harkins | Naomi Gaines | 8 | 1 |
| Hallee Hirsh | Rachel Greene | Madison Berg | 14 | 1 |
| Michael B. Silver | Dr. Paul Myers | Mandy Baerwitz | 12 | 1 |
| Matthew Glave | Dr. Dale Edson | Jerry | 15 | 2 |
| Katee Sackhoff | Jason's Girlfriend | Dr. Theodora "Teddy" Rowe/Dixie Collins | 1 | 4 |
| Ruth Williamson | Registry Nurse | Hedda Grubman | 1 | 6 |
| Conor O'Farrell | Richard Abbott | Detective Fischman | 2 | 4 |
| Frances Conroy | Becky Riley | Jane | 2 | 1 |
| Raphael Sbarge | Mr. Kirkendall | Silas Prine | 2 | 1 |
| Sumalee Montano | Duvata Mahal | Dr. Wu | 10 | 1 |
| Bruno Campos | Dr. Eddie Dorset | Dr. Quentin Costa | 5 | 1 |
| Mary Mara | Loretta Sweet | Natalie Holden | 9 | 1 |
| Ivar Brogger | Deposition Attorney | Agent Reynolds | 1 | 2 |
| Jenny O'Hara | Nurse Rhonda Sterling | Rachel Rosenberg | 2 | 1 |
| Misha Collins | Bret | Manny Skerritt | 2 | 1 |
| Molly Price | Mrs. O'Fallon, Officer Faith Yokas | Dahlia Mark | 2 | 1 |
| Stuart McLean | X-Ray Tech, Mike Devore | Sal | 12 | 1 |
| Jack Yang | Bevan Wong | Chiyo | 1 | 3 |
| Iqbal Theba | Dr. Zogoiby | Dr Vijay Paresh | 4 | 1 |
| John Prosky | Mr. Brooks | Glen Easley | 4 | 1 |
| Colleen Flynn | Jodi O'Brien | Dr. Allamby | 1 | 4 |
| J.K. Simmons | Gus Loomer | Ike Connors | 1 | 1 |
| L. Scott Caldwell | Dr. Rabb | Dr. Reed | 2 | 1 |
| Maury Sterling | Dr. Nelson | Ron | 5 | 1 |
| Mitch Pileggi | Terry Waters | Dr. Russell Marcus | 1 | 1 |
| Rebecca Metz | Waitress | Abby Mays | 1 | 2 |
| Suzanne Cryer | Toni Stillman | Carrie-Mae Wells | 1 | 1 |
| Ariel Winter | Lucy Moore | Kid #3 | 5 | 1 |
| José Zúñiga | Eduardo Lopez | Detective Cyrus | 2 | 1 |
| Meera Simhan | Mandy | Dr. Meera Muthara | 1 | 2 |
| Tom Wright | Wharton | Detective Albert Chavies | 2 | 1 |
| K Callan | Kelly Robinson | Ellie Harkness | 1 | 1 |
| Louis Mustillo | Steve O'Brien | Sal Perri | 1 | 1 |
| Marlon Young | Paramedic Thomas | Agent Ryan | 1 | 1 |
| Nancy Lenehan | Edie Harvell | Sue Alderman | 1 | 1 |
| Ivonne Coll | Grandmother | Genetics Lab Receptionist | 1 | 2 |
| Luck Hari | Lakshmi, OB Nurse | Receptionist | 2 | 1 |
| Carol Kiernan | Desk Clerk, Doris | Jesse Unger, Nurse | 2 | 2 |
| Amy Pietz | Loren | Allison Krieger | 1 | 1 |
| Andy Umberger | Dr. David Harvey | Cunningham | 2 | 1 |
| Guy Killum | Embry | U.S. Marshal | 1 | 1 |
| Jamie McShane | Josh Rushing | Father Michael Shannon | 1 | 1 |
| Jose Pablo Cantillo | Juan Enriquez | Marlon Ramirez | 1 | 1 |
| Larry Sullivan | Martin Pryor | Detective Myers | 1 | 1 |
| Michael Cudlitz | Lang | Brody | 1 | 1 |
| Michelle Krusiec | Tong-Ye | Mei | 1 | 1 |
| Tamara Clatterbuck | Suzannah Harris | Virginia Hayes | 1 | 1 |
| Tina Lifford | Evelyn Pratt | Warden DeMarco | 2 | 1 |
| Alex Alexander | Betty, Carol Weddington | June Boone | 2 | 1 |
| Anthony Starke | Dr. Craig | Tom McNamara | 2 | 1 |
| George Wyner | Rabbi | Doctor | 2 | 1 |
| Jon Sklaroff | Bible Guy, Eddie Hainey | Leo | 2 | 1 |
| Sandy Martin | Mrs. Zarian, Sister Helen | Helen Holden | 2 | 1 |
| Veronica Cartwright | Norma Houston | Mother Mary Claire | 2 | 1 |
| Allison Smith | Denny | Kathleen McNamara | 1 | 1 |
| Amy Farrington | Sandy Mader | Abigail Sullivan | 1 | 1 |
| Armin Shimerman | Levine | Ocularist | 1 | 1 |
| Elaine Kagan | Mrs. Shearer | Dr. Karen Singer | 1 | 1 |
| Jessica Steen | Karen Hardy | Amy Connors | 1 | 1 |
| Joan McMurtrey | Birdwatcher | Amanda McCloud | 1 | 1 |
| Larry Joshua | Lomas | Mr. Riskin | 1 | 1 |
| Lesley Fera | Helen Kolber | Daniella Creighton | 1 | 1 |
| Lindsay Hollister | Theresa Matthews | Nanette Babcock | 1 | 1 |
| Marisol Nichols | Angie | Antonia Ramos | 1 | 1 |
| Natsuko Ohama | Judge M. Moses | Mrs. Park | 1 | 1 |
| Patrick Kilpatrick | Matthew Lindermulder | Denny Kessler | 1 | 1 |
| Romy Rosemont | Joanne Bairos | Libby Zucker | 1 | 1 |
| Zilah Mendoza | Mrs. Sanchez | Ms. Garcia | 1 | 1 |
| Billy Mayo | Detective Brannigan, Sheriff | Cop #2 | 2 | 1 |
| Alyson Reed | Ginny | Kate Fitzgerald | 1 | 1 |
| Barbara Tarbuck | Alice Presley | Mrs. Declan | 1 | 1 |
| Clyde Kusatsu | Review Board Doctor #1 | Dr. Hiroshi | 1 | 1 |
| Cynthia Martells | Andrea Thompson | Dr. Cynthia Adams | 1 | 1 |
| Darlene Kardon | Elderly Woman | Old Lady #1 | 1 | 1 |
| Derek Webster | Officer Kenny Grant | Wendell Sutherland | 1 | 1 |
| Elizabeth Ruscio | Sarah Logan | Joy Kringle | 1 | 1 |
| Hildy Brooks | Mrs. Devon | Edith Krieger | 1 | 1 |
| J.E. Freeman | Mr. Jeffries | Denny Boone | 1 | 1 |
| John Marshall Jones | Mr. Gaither | Victor | 1 | 1 |
| Keri Lynn Pratt | Audrey Hoffman | Cara Fitzgerald | 1 | 1 |
| Mercedes Colon | Detective | Hostess | 1 | 1 |
| Monnae Michaell | Mrs. Bell | Detective Bowser | 1 | 1 |
| Randee Heller | Mrs. Goldberg | Saleswoman | 1 | 1 |
| Stephen Spinella | Henry Lotery | Dr. Capler | 1 | 1 |
| Austin Tichenor | Mr. Sumpter | Marty Fine | 1 | 1 |
| Gregg Daniel | Mr. Powell | Detective Collins | 1 | 1 |
| Jackie Debatin | Judy | Nancy Collins | 1 | 1 |
| Jose Yenque | Wardell | Manuel | 1 | 1 |
| Lisa Waltz | Mrs. Wimbur | Trudy Nye | 1 | 1 |
| Marlee Matlin | Sign Language Instructor | Barbara Shapiro | 1 | 1 |
| Marlene Forte | Mrs. Gonzalez | Miss Michaels | 1 | 1 |
| Scott Atkinson | Blake | Steve O'Brian | 1 | 1 |
| Al Vicente | Luis | Young Husband | 1 | 1 |
| Alla Korot | Mrs. Dupont | Claire Grubman | 1 | 1 |
| Ann Marie Lee | Georgia | Dr. Lauren Copley | 1 | 1 |
| Cheryl White | Meryl Sites | Montana Caine / Sassy / Justice | 1 | 1 |
| David Barrera | Felix Hernandez | Policeman | 1 | 1 |
| Debbie Lee Carrington | Ginger Jones | Merrily | 1 | 1 |
| Jazzmun | Drag Queen | Transgendered Man | 1 | 1 |
| Joanna Sanchez | Mrs. Trajillo | Rosa | 1 | 1 |
| Kevin Brief | Walter Brosnich | Bus Driver | 1 | 1 |
| Mary Pat Gleason | Anne Parks | Carol McCrackin | 1 | 1 |
| Michelle Wolff | Firefighter Rillo | Candy | 1 | 1 |
| Nan Martin | Mrs. Curwane | Adelle Coffin | 1 | 1 |
| Vincent Angell | Det. Graham | Kurt Dempsey | 1 | 1 |
| K.T. Thangavelu | Dr. Subramanian | Security Woman | 2 | 1 |
| Angel Oquendo | Thigh Patient | Oscar Aureilles | 1 | 1 |
| Blair Williamson | Jimmy | Tommy Bolton | 1 | 1 |
| Brian Britt | Tough #1 | Bartender | 1 | 1 |
| Dean Norris | Bomb Specialist Clark | Mark Noble | 1 | 1 |
| Denise Dowse | Mrs. Lysell | Cecily Sutherland | 1 | 1 |
| Jane Daly | Diane Armitage | Doctor | 1 | 1 |
| Joel McKinnon Miller | Mr. Emerson | Duke Collins | 1 | 1 |
| Lisa Darr | Nadine Wilkes | Darlene Lowell | 1 | 1 |
| Lorna Raver | Dr. Anne Adelstein | Lena Workman | 1 | 1 |
| Michael Wiseman | Danny (Enforcer) | Police Officer | 1 | 1 |
| Mya Michaels | Flight Nurse #2 | Nurse | 1 | 1 |
| Patricia Place | Mrs. Romero | Trudy | 1 | 1 |
| Scott Klace | Chris Halpern | Mourner | 1 | 1 |
| Sal Lopez | Abuelo, Hispanic Man | Julio Esperanza | 2 | 1 |
| Anil Kumar | Benazir | Dr. Anakali | 1 | 1 |
| Anoush NeVart | Sarshad | Maude | 1 | 1 |
| Carol Avery | Betty | Sue | 1 | 1 |
| Carter MacIntyre | Wallace | Warren | 1 | 1 |
| Geoffrey Rivas | Haven | Silvio Perez | 1 | 1 |
| Michael Mantell | Mr. Spencer | Julia's Doctor | 1 | 1 |
| Paul Cassell | Ed Gamble | Brad | 1 | 1 |
| Phil Abrams | Rodney | Lawyer | 1 | 1 |
| Sierra Abel | Eden Minty | Zoey | 1 | 1 |
| Stephen Lee | Mr. Dressler | Mr. Thompson | 1 | 1 |
| Sydney Walsh | Mrs. Lomax | Alexi Lange | 1 | 1 |
| Tim Hammer | Quincy | Hot Gay Man | 1 | 1 |
| Tom Virtue | Pares | FBI Agent | 1 | 1 |
| Bridget Sienna | Hernandez | Celia Perez | 1 | 1 |
| Eric Fleeks | Cop | Cop | 1 | 1 |
| Gary Carlos Cervantes | Cop | Father Joe | 1 | 1 |
| Harry Karp | Vibrator Guy | Isaac | 1 | 1 |
| Jeremy Shada | Bobby | Kid #1 | 1 | 1 |
| Jodi Taffel | Surgical Nurse | Cindy | 1 | 1 |
| John Antonini | Officer Jeff Greenberg | Young Husband | 1 | 1 |
| Marcia Del Mar | Ingrid | Romina | 1 | 1 |
| Michael Kopelow | Jim | Ticket Taker | 1 | 1 |
| Michael Monks | Mr. Vennerbeck | Mr. Blunt | 1 | 1 |
| Robyn Moran | Malinda | Wendy Lee | 1 | 1 |
| Rod Britt | Mr. Helpful | Justice of the Peace | 1 | 1 |
| Hamilton Mitchell | Guy from Chairs | Ned | 1 | 1 |
| Isabella Martinez Wall | Anita Salizar | Lillian | 1 | 1 |
| Marianne Muellerleile | Mrs. Jarnowski | Mrs. Gunther | 1 | 1 |
| Frank Noon | Birch | Pawnshop Owner | 1 | 1 |
| Hal Dion | Lenny Rivers | Mime #1 | 1 | 1 |
| Hubert Hodgin | Sal | EMS Employee | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.