All 169 actors in both ER and Friends
169 actors have appeared in both ER and Friends, across 567 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and The Ticket Agent in Friends.
| Actor | In ER | In Friends | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | The Ticket Agent | 149 | 1 |
| Maggie Wheeler | Amy Kellerman | Janice Hosenstein | 1 | 19 |
| Jessica Hecht | Stephanie Lowenstein | Susan Bunch | 2 | 13 |
| Amanda Carlin | Librarian | Dr. Long | 1 | 6 |
| Larry Hankin | Bearded Homeless Guy | Mr. Heckles | 1 | 5 |
| Mike Hagerty | Mr. James | Mr. Treeger | 1 | 5 |
| Alexandra Margulies | Another Stewardess | The Waitress, Female Extra #1 | 1 | 4 |
| Michael Rapaport | Paul Canterna | Gary | 1 | 4 |
| Noah Wyle | Dr. John Carter | Dr. Jeffrey Rosen | 4 | 1 |
| Brian Chenoweth | Radiology Tech | Ken | 2 | 2 |
| Sam Anderson | Dr. Jack Kayson | Dr. Harad | 19 | 1 |
| Cynthia Mann | Margie Stein | Jasmine, The Waitress | 1 | 6 |
| Debra Jo Rupp | Mrs. Dibble | Alice Knight | 1 | 6 |
| John Stamos | Dr. Tony Gates | Zack | 2 | 1 |
| Joanna Gleason | Iris | Kim Clozzi | 3 | 2 |
| Carlos Gómez | Paramedic Raul Melendez | Julio | 6 | 1 |
| Adam Goldberg | Joshua Shem | Eddie Menuek | 1 | 3 |
| Gabrielle Union | Tamara Davis | Kristen Lang | 1 | 1 |
| James Le Gros | Dr. Max Rocher | Jim Nelson | 3 | 1 |
| Lilyan Chauvin | Nurse Edna | Grandma Tribbiani | 1 | 1 |
| Peter Dennis | Mosely | Sherman Whitfield | 1 | 1 |
| Sam McMurray | Mike Landry | Doug | 1 | 3 |
| Teri Garr | Celinda Randlett | Phoebe Sr. | 1 | 3 |
| Jason George | Ethan Mackiner | The Fireman | 2 | 1 |
| Monique Edwards | Callie | Claudia | 1 | 2 |
| Alison La Placa | Female Lawyer | Joanna | 1 | 3 |
| Conchata Ferrell | Mrs. Jenkins | Judge | 1 | 1 |
| Cristine Rose | Mrs. Martinez | Bitsy Hannigan | 1 | 2 |
| Gina Hecht | Radiology Tech | Richard's Date | 2 | 1 |
| Jeff Brooks | Clerk | Stage Manager, The Male Patron, Trent | 1 | 3 |
| Marisol Nichols | Angie | Olivia | 1 | 1 |
| Patrick Kerr | George Deakins | The Manager | 2 | 1 |
| Richard Penn | Dave Donovan | The Doctor | 1 | 1 |
| Sofia Milos | Coco | Aurora | 1 | 1 |
| Susan Sarandon | Nora | Jessica Lockhart | 1 | 1 |
| Iqbal Theba | Dr. Zogoiby | Joey's Doctor | 4 | 1 |
| Gregory Itzin | Burn Doctor | Mr. Hannigan | 1 | 2 |
| Jeanette Miller | Beverly, Flora | The Elderly Woman | 2 | 1 |
| John C. McDonnell | Rick | Grip | 2 | 1 |
| Alex Kapp | Brenda | Stephanie | 1 | 1 |
| Arye Gross | Kevin | Michael | 1 | 1 |
| Buck Kartalian | Lloyd Frick | Frankie | 1 | 1 |
| Cleo King | Mrs. Davies | Nurse Kitty | 1 | 1 |
| Darryl Sivad | Colin | Office Worker #2 | 1 | 1 |
| Frank Novak | Ted | Gambler | 1 | 1 |
| George Clooney | Dr. Douglas "Doug" Ross | Dr. Michael Mitchell | 1 | 1 |
| Harry Shearer | John Smythe | Dr. Baldharar | 1 | 1 |
| Johnny Sneed | James | Customer #3 | 1 | 1 |
| Mae Whitman | Heather | Sarah Tuttle | 1 | 1 |
| Mary Pat Gleason | Anne Parks | Nurse Sizemore | 1 | 1 |
| Mary-Pat Green | Miss McDuffy | Jeannie | 1 | 1 |
| Michael Monks | Mr. Vennerbeck | Dr. Hiller | 1 | 1 |
| Michelle Anne Johnson | Sarah Irving | The Casting Director | 1 | 1 |
| Molly Hagan | Meredith Smart | Sarah | 1 | 1 |
| Pamela Kosh | Emma Scott | The Saleslady [DVD only] | 1 | 1 |
| Phil Abrams | Rodney | The Anxious Wedding Guest | 1 | 1 |
| Richard Gant | Mr. Lipson | Dr. Rhodes | 1 | 1 |
| Seth Isler | Kirchman | Monkey Trainer | 1 | 1 |
| Vince Vieluf | Bernard Gamely | Ned Morse | 3 | 1 |
| Alaina Reed-Hall | Betty Dixon | Admissions Woman | 2 | 1 |
| Andy Umberger | Dr. David Harvey | Dr. Connelly | 2 | 1 |
| E.J. Callahan | Drunk | Al Zebooker, Mr. Simon | 1 | 2 |
| Jim Bentley | Jeff Whitcher | Another Tour Guide, Professor Friesell | 1 | 2 |
| Ken Lerner | Harry Stopak, Stan Seidel | Professor Spafford | 2 | 1 |
| Anne Betancourt | Mrs. Kearney | The Saleslady | 1 | 1 |
| Anne Dudek | Paula Gamble | Precious | 1 | 1 |
| Bill Stevenson | Clerk | Rick | 1 | 1 |
| Cynthia Graham | Ann Ferguson | Nurse #1 | 1 | 1 |
| Danny Dayton | Art | Buddy Doyle | 1 | 1 |
| David Schwimmer | Dr. Karubian | Russ | 1 | 1 |
| David Warshofsky | Hostage Negotiator | Fireman #2 | 1 | 1 |
| Jackie Debatin | Judy | The Hooker | 1 | 1 |
| Jennifer Rhodes | Mrs. Henry | Mrs. Lynch | 1 | 1 |
| Jim O'Heir | McKenna | Adoption Agency Worker | 1 | 1 |
| John Eric Bentley | Larry Anderson | Waiter #2 | 1 | 1 |
| John Rubinstein | Dr. Kenner | The Doctor | 1 | 1 |
| Jonathan Slavin | Ron | Manny | 1 | 1 |
| Kim Gillingham | Mrs. Ramsey | Angela | 1 | 1 |
| Kristin Davis | Leslie | Erin | 1 | 1 |
| Kyla Pratt | Lily | Carla Nichols | 1 | 1 |
| Linda Lutz | Mrs. Saundners | Horrible Woman | 1 | 1 |
| Lise Simms | Emcee | Kara | 1 | 1 |
| Louisa Abernathy | Mrs. Law, Mrs. Lyons | Lydia | 2 | 1 |
| Megan Cavanagh | Darlene | Luisa Gianetti | 1 | 1 |
| Merrin Dungey | Daphina | The Museum Official | 1 | 1 |
| Ming Lo | Lindsey Jang | Dr. Li | 1 | 1 |
| Myra Turley | Monica Ford | Nurse | 1 | 1 |
| Robert Costanzo | Pernicious Anemia Man | Joey Tribbiani Sr. | 1 | 1 |
| Steven M. Porter | Mr. Pularski | Security Guard | 1 | 1 |
| Victor Raider-Wexler | Vascular Doctor | Doctor | 1 | 1 |
| Carole Goldman | Bartender, Doc | Woman | 2 | 1 |
| Lawrence Mandley | Jackson, Maintenance Man | Security Guard | 2 | 1 |
| Wesley Thompson | Fritz | The Locksmith | 2 | 1 |
| Andre Rosey Brown | Sick Guy | Delivery Man | 1 | 1 |
| Brad Koepenick | Hopkins Candidate | The Producer | 1 | 1 |
| Camille Saviola | Margaret | Horrible Woman | 1 | 1 |
| Carole Gutierrez | Landlady | Nurse | 1 | 1 |
| Cathy Lind Hayes | Elaine Gasner | Dr. Biely | 1 | 1 |
| Cindy Lu | Chinese Woman | The Accountant | 1 | 1 |
| Elaine Hendrix | Brinn | Sally | 1 | 1 |
| Greg Wrangler | Construction Worker | Fireman #1 | 1 | 1 |
| Harry S. Murphy | Dr. Hamill | The Man at the Wedding | 1 | 1 |
| Ilia Volok | Kovalev | The Dry Cleaner | 1 | 1 |
| Jonathan T. Floyd | Student | Gary | 1 | 1 |
| Kevin Brief | Walter Brosnich | The Bartender | 1 | 1 |
| Lara Harris | Regina Morgan | Obsession Girl | 1 | 1 |
| Lee Arenberg | Juke | The Man | 1 | 1 |
| Mark Lutz | Randall | Mona's Date | 1 | 1 |
| Martin Yu | Jimmy | The Waiter | 1 | 1 |
| Matthew Yang King | Rick | The Student | 1 | 1 |
| Mimi Lieber | Dr. Malcolm | Mary Therese | 1 | 1 |
| Phil Leeds | Husband | Mr. Adelman | 1 | 1 |
| Romy Rosemont | Joanne Bairos | Troop Leader | 1 | 1 |
| Scott Mosenson | Michael Gambrell | The Teacher | 1 | 1 |
| Shirley Jordan | IDC Analyst | The Doctor | 1 | 1 |
| Stephon Fuller | Transport Tech Jim | Guest #3 | 1 | 1 |
| Susan Yeagley | Woman Reporter | Woman #1 | 1 | 1 |
| Taylor Negron | Mr. Prole | Allesandro | 1 | 1 |
| Wayne Péré | Eric Farve | Max | 1 | 1 |
| Joan Pringle | Hyams, Josephine | Dr. Oberman | 2 | 1 |
| Amy Smallman | Myrna | The Kitchen Worker | 1 | 1 |
| Andy Brewster | Student #9 | The Guy in Library | 1 | 1 |
| Daniel E. Smith | Demitri | Boy in the Cape | 1 | 1 |
| Darlene Kardon | Elderly Woman | Aunt Millie | 1 | 1 |
| Dedee Pfeiffer | Annie Raskin | Mary Ellen | 1 | 1 |
| Jim Piddock | Dr. Earl Whitehead | Dennis Phillips | 1 | 1 |
| Joe O'Connor | Mr. Scott | Stevens | 1 | 1 |
| Jorge Luis Abreu | Security Guard | The Waiter | 1 | 1 |
| Judy Kain | Thomas | The Casting Director | 1 | 1 |
| Reggie Jordan | Street Sweeper | The Front Desk Clerk | 1 | 1 |
| Richard Fancy | Mr. Thomas | Mr. Posner | 1 | 1 |
| Rocky McMurray | Sergeant Myers | The Cigarette Guy | 1 | 1 |
| Roger Eschbacher | Richard Tuggle | The Photographer | 1 | 1 |
| Sarah MacDonnell | Maggie | Sandy | 1 | 1 |
| Tom Bailey | Sgt. Larkowski | Bob | 1 | 1 |
| Brenda Isaacs-Booth | Sandra Perry | The Nurse | 1 | 1 |
| Carlos Lacamara | Ron Kennedy | The A.D. | 1 | 1 |
| Christy L. Medrano | Receptionist | Waitress | 1 | 1 |
| Chuck Martinez | Dewey | Policeman #2 | 1 | 1 |
| Dakota Fanning | Delia Chadsey | Mackenzie | 1 | 1 |
| Jane Edith Wilson | Judy | Jackie [DVD only] | 1 | 1 |
| John C. Moskoff | Len Weston | Uncle Dan | 1 | 1 |
| Josie DiVincenzo | Christine Jeffrey | Tattoo Artist | 1 | 1 |
| Megan Ward | Judy Anderson | Nancy | 1 | 1 |
| Michael Kagan | Chuck Arteburn | Terry | 1 | 1 |
| Micheal DiMaggio | Katie's Father | Drew | 1 | 1 |
| Miles Marsico | David Bradley | The Smart Kid | 1 | 1 |
| Robert Alan Beuth | ICU Chief | Professor Klarik | 1 | 1 |
| Stan Sellers | James | Manager | 1 | 1 |
| Audrey Wasilewski | Officer Wetterling | Sarah | 1 | 1 |
| Christopher Darga | Wilson | The Director | 1 | 1 |
| Cyndi Martino | Jane | Henrietta | 1 | 1 |
| Doug Budin | T.V. Producer | The Librarian | 1 | 1 |
| Jacqueline Schultz | Mrs. Blevins | Lisa | 1 | 1 |
| Mary-Margaret Lewis | Maid | Rita | 1 | 1 |
| Peter James Smith | Mr. Shimahara | Assistant Director | 1 | 1 |
| Peter Spears | Harris | Joel | 1 | 1 |
| Steffani Brass | Shelly Burke | Melinda | 1 | 1 |
| Greta Sesheta | Mrs. Bassett | Receptionist | 1 | 1 |
| John Apicella | Mr. Etheridge | Mr. Bowmont | 1 | 1 |
| JoNell Kennedy | Judy Munder | Nurse #1 | 1 | 1 |
| Matt Weinberg | Douglas Leeman | Raymond | 1 | 1 |
| Anil Raman | Cashier | The First Dorm Guy | 1 | 1 |
| Helen Eigenberg | Renee Weber Stewart | The Realtor | 1 | 1 |
| Jack Ong | Mr. Wang | The Older Scientist | 1 | 1 |
| Logan Hudson | Ethan | The Boy in the Doctor's Office | 1 | 1 |
| Karin Co | Kim Yeung | Woman with Mild Contractions | 1 | 1 |
| Natasha Pearce | Moselle | Zoe | 1 | 1 |
| Jimmy Palumbo | Officer Berger | Sick Bastard | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.