All 98 actors in both Baywatch and ER
98 actors have appeared in both Baywatch and ER, across 564 episodes. The most-credited is Christine Elise, Amy Laederach, Catherine Baker in Baywatch and Harper Tracy in ER.
| Actor | In Baywatch | In ER | Eps | Eps |
|---|---|---|---|---|
| Christine Elise | Amy Laederach, Catherine Baker | Harper Tracy | 1 | 15 |
| Shiri Appleby | Jennie | Dr. Daria Wade, Ms. Murphy | 1 | 10 |
| Mariska Hargitay | Lisa Peters | Cynthia Hooper | 1 | 13 |
| Scott Plank | Sam Parks | Chris Hunegs | 4 | 1 |
| Zachary Browne | Clifford | Jake Leeds | 1 | 7 |
| Gabriel Damon | Tod | Tommy | 2 | 1 |
| John Stamos | Beach Boys Band Member | Dr. Tony Gates | 1 | 2 |
| Daniel Quinn | Eric Turner, Damon Sinclair, Director | Casey | 5 | 1 |
| Gary Kohn | Trey Glasser | Billy | 1 | 1 |
| Jack McGee | Tommy | Rodney McMullen | 1 | 1 |
| Michael Spound | Billy Foster | Dwayne's Father | 1 | 1 |
| Nan Martin | Dick's Wife | Mrs. Curwane | 1 | 1 |
| Patty McCormack | Rose O'Hara | Mrs. Dwyer | 1 | 1 |
| Rodney Eastman | Teenager | Freddie Robinson | 1 | 1 |
| Tom Schanley | Lucas | Detective Middleton | 1 | 1 |
| David Spielberg | Eric Van Alden, Principal Frank Richmond | Dr. Neil Bernstein | 2 | 4 |
| Jullian Dulce Vida | Pulga | Gang Shooter | 2 | 1 |
| Rick Cramer | Arnold, Security Guard | McCormick, Officer O'Bannon | 2 | 2 |
| Todd Thawley | Vincent McHale | Smith | 1 | 3 |
| Anthony Guidera | Alain Bergere | Firefighter | 1 | 1 |
| Art LaFleur | Tully | Miles Kearney | 1 | 1 |
| Bo Eason | Brady Nichols | Charlie | 2 | 1 |
| Charles Kahlenberg | Dr. Vogner | Priest | 1 | 1 |
| Christie Lynn Smith | Sarah | Marina Grasso | 1 | 1 |
| Christopher Michael | Man | Security Officer | 1 | 5 |
| Cooper Huckabee | Deke Bishop | Hayes | 1 | 1 |
| Dino Anello | Nelson | Orderly, Picketer | 1 | 2 |
| Drew Snyder | Jack Burton | Mr. Drane | 1 | 1 |
| Glenn Morshower | Dan | Rick Decoyte | 1 | 1 |
| Harris Laskawy | Laurence Danvier | Siebert | 1 | 1 |
| Joseph Whipp | Captain Bob | Alan | 1 | 1 |
| Kay E. Kuter | Henry | Mr. Seaton | 2 | 1 |
| Michael Horton | Tony | Tom Angevine | 1 | 1 |
| Michael Kagan | Unknown | Chuck Arteburn | 1 | 1 |
| Mik Scriba | Det. Sam North, Doctor | James' Father | 3 | 1 |
| Nancy Stafford | Cassie Rose | Alan's Mom | 1 | 1 |
| Tom Arnold | Al Raymond | The Big Kahuna | 1 | 1 |
| Debbie Lee Carrington | Debbie | Ginger Jones | 2 | 1 |
| Jack Carter | Sonny | Kipke, Mickey Goldstein | 1 | 2 |
| Kenneth Tigar | Mr. Hollis | Dr. Keinholz | 1 | 2 |
| Rance Howard | Fireman, Joe | Dr. Oliver Kostin | 2 | 1 |
| Steven Anderson | Doctor | Dr. Davitch | 1 | 2 |
| Trevor Morgan | Timmy | Scott Anspaugh | 1 | 5 |
| Barry Pearl | Lyle Forsman | Dr. Noble | 1 | 1 |
| Christopher Rich | Derrick Benton | Ron Perth | 1 | 1 |
| Josh Keaton | Todd Rose | Greg | 1 | 1 |
| Lilyan Chauvin | Dr. Lester | Nurse Edna | 1 | 1 |
| Lombardo Boyar | Hector Molina | Morris Campbell | 1 | 1 |
| Louis Crugnali | Randy | Kyle Skinner | 1 | 1 |
| Marlo Lovitch | Kayla | Janie | 1 | 1 |
| Peter J. Lucas | Mike Donovan | Killed Geologist | 1 | 1 |
| Raye Birk | William Lanning | Mr. Hartley | 1 | 1 |
| Tyler Neitzel | Kid | Casey Bryson | 1 | 1 |
| Wiley Pickett | Quinlan | Impaled Man | 1 | 1 |
| Yolanda Lloyd Delgado | Lucinda Alvarez | Elena Tabajas | 1 | 1 |
| Mark Dakota Robinson | Clark | Steven | 1 | 4 |
| Julian Stone | Father Sam Ryan, Rob Darst | Mr. O'Groat | 3 | 1 |
| Tom Gallop | Phil | Dr. Roger Julian | 1 | 3 |
| Caitlin Dulany | Trish Buckley | Heather Morgan | 1 | 4 |
| Andrea Fay Friedman | Sammy | Mindy | 1 | 1 |
| Brian Patrick Clarke | Beggs | tbd | 1 | 1 |
| Eve Brenner | Diana Sutherland | Wilma | 1 | 1 |
| Holliston Coleman | Bridget | Brianne Cooper | 1 | 1 |
| John Bradley | Pro Surfer Wes Masters | Ralph Munder | 1 | 1 |
| Madison Mason | Minister | Clive King | 1 | 1 |
| Marty Ingels | Prospector | Mr. Gallagher | 1 | 1 |
| Reed Rudy | Matt | Dan Rue | 1 | 1 |
| Ricky Dean Logan | Host | Ice Pick Guy | 1 | 1 |
| Thomas Bellin | Ivan, Minister | Wilson Wolfe | 2 | 1 |
| Chad Power | Bobby Clark | First Baseman | 2 | 1 |
| Allan Wasserman | Producer | Mr. Goldstein | 1 | 1 |
| Brian Haley | Danny | Chris Salamunovich | 1 | 1 |
| Jennifer Badger | Drowning Girlfriend | Girl Rollerblader | 1 | 1 |
| John DiSanti | Santini | Uncle Ted | 1 | 1 |
| Lenny Citrano | Marv | Martin | 1 | 1 |
| Michele Harrell | Reporter #2 | Mrs. Howard's Daughter | 1 | 1 |
| Sherman Howard | Dick Sant | Mr. Schoenberger | 1 | 1 |
| Patrick Thomas O'Brien | Tom | Carmichael | 2 | 1 |
| Bobby Edner | Tyler | Zack | 2 | 1 |
| François Chau | Tadashi | Neuro Resident | 1 | 2 |
| Jeanine Jackson | Dr. Catherine Potter | Elise Stevens | 1 | 1 |
| Josh Cruze | Official | Boss | 1 | 1 |
| Miguel Pérez | Scanian | Santiago Escalona | 1 | 1 |
| Neil Giuntoli | Frank Sant | Alan | 1 | 1 |
| Thomas Wagner | Glen Biddle | Furst | 1 | 1 |
| Amy Wheaton | Kit Evans | Shannon Wallace | 1 | 1 |
| Charles C. Stevenson Jr. | Sam | Capt. Eddie | 1 | 1 |
| Deedee Michaels | Blanche | Sally | 1 | 1 |
| Natanya Ross | Megan | Mandy | 1 | 1 |
| Adam Kaiz | Benjamin | Tom | 1 | 1 |
| Joey Naber | Flaco | Santa Juan | 1 | 1 |
| Paul Raci | Dan | Mr. Spencer | 1 | 1 |
| Terri Hanauer | Dr. Everdon | Mrs. Haggerty | 1 | 1 |
| Abraham Verduzco | Juan | Palmer | 1 | 1 |
| Bob Bancroft | Mr. Parnell | Albert | 1 | 1 |
| Dwayne L. Barnes | Carter | Officer Pinter | 1 | 1 |
| Kevin Brief | Max | Walter Brosnich | 1 | 1 |
| Patty Toy | Reporter | Dr. Leung | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.