All 115 actors in both ER and Home Improvement
115 actors have appeared in both ER and Home Improvement, across 534 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Mrs. Gamble in Home Improvement.
| Actor | In ER | In Home Improvement | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Mrs. Gamble | 149 | 1 |
| Troy Evans | Frank Martin | Mike McKewen | 129 | 1 |
| Gedde Watanabe | Nurse Yosh Takata | Nobu Nakamura | 58 | 1 |
| David Brisbin | Dr. Alexander Babcock | Principal Piersall | 19 | 1 |
| Leslie Bibb | Med Student Erin Harkins | Lisa Burton | 8 | 1 |
| Mariangela Pino | Ms. Dellanova | Marie Morton | 1 | 8 |
| Al Fann | Mr. Chamberlain | Felix Myman | 1 | 6 |
| Megan Cavanagh | Darlene | Trudy McHale | 1 | 5 |
| Tom La Grua | Mr. Leonelli | Eddie, Eddie McCormick | 1 | 5 |
| Perry Anzilotti | Dr. Perry (Anesthesiologist), Ed | Mike | 22 | 1 |
| James Cromwell | Bishop Stewart | Fred | 4 | 1 |
| Marcelo Tubert | Galloway | Dr. Knell | 3 | 1 |
| Bonnie Bartlett | Ruth Greene | Lucille Taylor | 2 | 5 |
| Ernest Borgnine | Paul Manning | Eddie Phillips | 2 | 1 |
| Channing Chase | Claire | Marcy | 4 | 1 |
| Liz Vassey | Liz | Donna | 4 | 1 |
| Tom Poston | Earl | Ned, Ted, The Clerk | 2 | 3 |
| Dennis Burkley | Tom Perry | Larry | 1 | 1 |
| Harry S. Murphy | Dr. Hamill | Dr. Lee | 1 | 1 |
| John Cothran, Jr. | Dennis Gant, Sr. | Handyman | 1 | 1 |
| Joseph Whipp | Alan | Kendall | 1 | 1 |
| Kathleen Garrett | Mrs. Meeker | Stacey Lewis | 1 | 1 |
| Larry Hankin | Bearded Homeless Guy | Larry | 1 | 1 |
| Michael Cudlitz | Lang | Kyle | 1 | 1 |
| Patrick Thomas O'Brien | Carmichael | "Ink" Ingram | 1 | 1 |
| Simon Templeman | Gareth | Simon Downing-Chubb | 1 | 1 |
| Vaughn Armstrong | Greg Mitchell | Lt. Colonel Hall | 1 | 1 |
| Earl Billings | Ray Jamison | Mike | 1 | 2 |
| Robert Picardo | Abraham Zimble | Joe Morton | 1 | 2 |
| Tony Carreiro | Brent Smythe | Dave | 1 | 2 |
| Alex Rocco | Martin Trudeau | Irv Schmayman | 1 | 1 |
| Amy Ryan | Sister Elizabeth | Robin | 1 | 1 |
| Angela Paton | Mrs. Ransom | Irma | 1 | 2 |
| Art LaFleur | Miles Kearney | Jim | 1 | 1 |
| Daniel Bryan Cartmell | Convenience Store Clerk | Scotty | 1 | 1 |
| David Warshofsky | Hostage Negotiator | Fireman #1 | 1 | 1 |
| Debra Engle | Harriet Goodwyn | Cynthia, Receptionist | 1 | 2 |
| Dennis Cockrum | Little League Player's Father | Wade Waller | 1 | 1 |
| Dex Elliott Sanders | Deon | Nick | 1 | 1 |
| Don Perry | Dr. Stan Breedlove | Old Man #2 | 2 | 1 |
| Eileen Brennan | Betty | Wanda | 2 | 1 |
| Jeanette Miller | Beverly, Flora | Volunteer | 2 | 1 |
| John Marshall Jones | Mr. Gaither | Rick | 1 | 1 |
| Julie Cobb | Dr. Felicia Kind | Francine | 1 | 1 |
| Maggie Lawson | Shannon Mitchell | Samantha | 1 | 1 |
| Marcia Rodd | Melissa Harold's Mother | Barbara Burton | 1 | 1 |
| Michael Luckerman | Backerman | Salesclerk | 1 | 1 |
| Miguel Sandoval | Mr. Perez | Mr. Jennings | 1 | 1 |
| Mike Pniewski | Bailiff WIlson | Andy Paxton | 1 | 1 |
| Pat Crawford Brown | Mrs. Votey | Mrs. Kluzewski | 1 | 1 |
| Rick Cramer | McCormick, Officer O'Bannon | Lieutenant Commander Gray | 2 | 1 |
| Ron Fassler | Mr. Rosen | Director | 1 | 1 |
| Sam McMurray | Mike Landry | Rondall Kittleman | 1 | 1 |
| Shashawnee Hall | Detective Ford | Audience Member #1 | 2 | 1 |
| Steve Vinovich | Wayne Lentloff | Dr. Hennessy | 2 | 1 |
| Wesley Thompson | Fritz | Phone Man | 2 | 1 |
| Wilson Raiser | Frankenstein | "Red" | 1 | 1 |
| Lucy Liu | Mei-Sun Leow | Woman #3 | 3 | 1 |
| Connie Sawyer | Kathy Brennan, Second Old Lady | Old Lady | 2 | 1 |
| David DeLuise | Brad Anderson | Dennis | 1 | 1 |
| Eric Christmas | Mr. Heath | Sir Larry Houdini | 1 | 1 |
| Jack Blessing | Roger Drummond | Dr. Breen | 1 | 1 |
| Janet MacLachlan | Mother Lawrence | Dean Cummings | 1 | 1 |
| Jennie Vaughn | Brianna | Elzina | 1 | 1 |
| Jessica Tuck | Dr. Hemmings | Leslie | 1 | 1 |
| Kathryn Joosten | Lois | Thelma McCready | 1 | 1 |
| Mary-Pat Green | Miss McDuffy | Daphne | 1 | 1 |
| Michael Yama | Epidemiologist | Japanese Man #1 | 1 | 1 |
| Patrick Renna | Howie McMurtry | Todd | 1 | 1 |
| Phyllis Ehrlich | Confused Woman | Out-of-Breath Woman | 1 | 1 |
| Richard Riehle | Mandrake Patient | Detective Roberts | 1 | 1 |
| Ron Taylor | Bob | Kyle | 1 | 1 |
| RonReaco Lee | Davis | Billy | 3 | 1 |
| Sam Sarpong | Antwan | Grand Master Bath | 1 | 1 |
| Sherman Howard | Mr. Schoenberger | Howard | 1 | 1 |
| Sonia Jackson | Ruthie Newton | Receptionist | 1 | 1 |
| Sonya Eddy | Harriet, Student Affairs Secretary | Gayle | 3 | 1 |
| Tom Gallop | Dr. Roger Julian | Bob | 3 | 1 |
| Tom Simmons | Ethan Brown | Hotel Clerk | 1 | 1 |
| M. Darnell Suttles | Lemoyne | Bill | 2 | 1 |
| Stephanie Dunnam | Dr. McLucas | Sharon | 2 | 1 |
| Bari K. Willerford | Mr. McDowell | Man #1 | 1 | 1 |
| Berlinda Tolbert | Nancy Natarelli | Noreen | 1 | 1 |
| Derek Montgomery | Clayton | Gary | 1 | 1 |
| Eric Saiet | Alex Dibble | Clerk | 1 | 1 |
| Gregg Daniel | Mr. Powell | Jerry Holcomb | 1 | 1 |
| Hillary Danner | Tommy's Mom | Wendy | 1 | 1 |
| James DuMont | Clemens | Gus | 1 | 1 |
| Kari Coleman | Mona | Kathy | 1 | 1 |
| Kathleen Freeman | Rhonda's Patient | Gwen | 1 | 1 |
| Nancy Youngblut | Sarah Howe | Dana Russell | 1 | 1 |
| Pearl Shear | Mrs. Bozinsky | Older Woman | 1 | 1 |
| Raye Birk | Mr. Hartley | Fred | 1 | 1 |
| Ritchie Montgomery | Cahill | Delivery Man | 1 | 1 |
| Graham Jarvis | Francis | Delvin | 1 | 1 |
| Nancy Linari | Elizabeth Puro | Clarise | 1 | 1 |
| Rif Hutton | Mr. Royston | Man at Arena | 1 | 1 |
| Stan Sellers | James | Robbie | 1 | 1 |
| Walter Addison | Mr. Kane | Professor Garver | 1 | 1 |
| Wesley Leong | Newstand Guy | Japanese Man #3 | 1 | 1 |
| Brent Hinkley | Fred Hopper | Carl | 1 | 1 |
| Jim Jansen | Neonatologist | Dr. Emory | 1 | 1 |
| Judyann Elder | Debra Graham | Diane Peck | 1 | 1 |
| Lamont Johnson | Shrike | Paul | 1 | 1 |
| Natalie Core | Mrs. Larkin | Mrs. Grabowski | 1 | 1 |
| Paul Keith | Paul | Lou Hansen | 1 | 1 |
| Steven Barr | Construction Foreman | Coach | 1 | 1 |
| Lorna Scott | Stan's Wife | Judy | 1 | 1 |
| Montrose Hagins | Mrs. Olson | Alice | 1 | 1 |
| Morgan Nagler | Natalie Logan | Cathy | 1 | 1 |
| Rebecca Balding | Ms. Garvey | Leslie Morrison | 1 | 1 |
| Susan Krebs | Transplant Surgical Nurse | Sandy | 1 | 1 |
| Tom McCleister | Larry | Butch | 1 | 1 |
| Randy Kovitz | Dr. Black | Man in Audience | 1 | 1 |
| Stephanie Fudge | Mom | Orderly | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.