All 155 actors in both Matlock and Quantum Leap
155 actors have appeared in both Matlock and Quantum Leap, across 272 episodes. The most-credited is Warren Frost, Billy Lewis in Matlock and Senator Weitzman in Quantum Leap.
| Actor | In Matlock | In Quantum Leap | Eps | Eps |
|---|---|---|---|---|
| Warren Frost | Billy Lewis | Senator Weitzman | 17 | 1 |
| Carolyn Seymour | Christina Harrison Ward, Dr. Vanessa Sedgwick, Iris Vogel | Zoey, Miss Stoltz | 3 | 4 |
| Anne Haney | Aunt Elsie Carter, Elizabeth Farrell, Nurse Jackson | Cassy Thailer, Grace Beaumont | 3 | 2 |
| John D'Aquino | Dwayne Meeks, Jim Roper | Frank LaMotta | 2 | 3 |
| John Calvin | Mayor Brian Barelli, Cal Ritter | Buddy Wright | 3 | 1 |
| Scott Bakula | Jed Palmer | John Beckett | 2 | 2 |
| Amy Yasbeck | Cheryl Atkinson, Model Lauren Chadwick | Frankie Washarskie | 2 | 1 |
| Charles Frank | Al DeMont, Phillip Cameron | Reed Dalton | 2 | 1 |
| Claude Earl Jones | Mr. Henderson | Captain Elias | 2 | 1 |
| Gregory Itzin | Michael Fitzmorris, Assistant D.A. Lang, Carl Richardson | Sam Phillips | 5 | 1 |
| Jason Beghe | Lt. Pat Rutledge, Thomas Crighton | Det. Sgt. Roger Skaggs | 2 | 1 |
| Julio Oscar Mechoso | Ramon, Worker #1 | Raul Casta | 2 | 1 |
| Richard Herd | Captain Edward Hanna | Moe Stein | 1 | 2 |
| Teri Austin | Beth, Lisa Bateman | Dana Barrenger | 2 | 1 |
| Fran Bennett | Betty Harding | Marie Billings, Ada Simpson | 1 | 4 |
| Richard McKenzie | Rupert Davis | Fred Beaman | 4 | 1 |
| Claudia Christian | Mickey Alder | Allison Grimsley | 1 | 1 |
| Daniel Roebuck | Alex Winthrop, Dr. Bobby Shaw, Prosecutor Mr. Sodowsky | Neil Lindhurst | 5 | 1 |
| Doran Clark | Cathy Baron, Kathleen Shelton | Laura | 3 | 1 |
| Harry Groener | Rod Greenwood | Detective Ward | 1 | 1 |
| James McDonnell | Tom Hermanski, George Winfield | Jonathan | 3 | 1 |
| Jane Sibbett | ADA Katie Clark | Diane Frost | 1 | 1 |
| Jennifer Rhodes | Gracie Fielder | Agnes Stevens | 1 | 1 |
| John Anderson | Sam Chandler | Pat Knight | 1 | 1 |
| John Finn | Sheriff Dewey | Admiral Spencer | 1 | 1 |
| John Kapelos | Sgt. Sam Hayden | Dr. Mustafa El Razul | 1 | 1 |
| Kim Robillard | Pete Lucas | Stern | 1 | 1 |
| Kristoffer Tabori | Dr. Lowell Carr, Gary Carr, Judge Arthur Eller | Byron | 3 | 1 |
| Nancy Stafford | Caryn Nelson / Caroline Nathan | Peg Myers | 1 | 1 |
| Penny Fuller | Barbara Raymond | Jane Lindhurst | 1 | 1 |
| Pepe Serna | Walter Padilla | Manuel Vega | 1 | 1 |
| R.G. Armstrong | Sheriff Dalton Parkes | Davison | 1 | 1 |
| Renée Coleman | Theresa Lavelle / Susie Baron | Alia | 1 | 3 |
| Terri Garber | Valerie Walsh | Teresa Pacci | 1 | 1 |
| William Schallert | Judge Elliot Franklin | Judge Eugene Haller | 1 | 1 |
| Ron Taylor | Deacon Holmes, Ty Mullins | Papa David Harper | 4 | 1 |
| Glenn Morshower | Deputy Terwilliger, Policeman #2 | Grady | 2 | 1 |
| Jerry Potter | Bernie, Joseph Bonzer | Mr. East | 2 | 1 |
| Kari Lizer | Angel Danello, Cassie Phillips | Tess McGill | 2 | 1 |
| Marietta DePrima | Cheryl, Laura Masterson | Lorraine | 2 | 1 |
| Pat Skipper | Dan | Luke Marlet, Tequila | 1 | 2 |
| Robert Pine | Sam Dolan, Senator Jeffrey Paul | Ted | 2 | 1 |
| Roddy McDowall | Christopher Hoyt, Don Mosher | Edward St. John V | 2 | 1 |
| Dirk Blocker | Vincent's Aide, Apartment Manager | Tom | 3 | 1 |
| H. Richard Greene | Clark Benson, George Mitchell, Ron Welker | Dr. Hardy | 3 | 1 |
| James Sloyan | Elliot Atkins, Dr. Lucas Forbes | D.A. Theodore Moody | 3 | 1 |
| Joseph Hacker | Phillip Kovack, Jack Burns | Billy McCann | 3 | 1 |
| Alan Fudge | Paul Davies, Jack Sylvester, John Brady | Dr. Richard Sandler | 4 | 1 |
| Alan Oppenheimer | Dr. Linder | Earl Skinner | 1 | 1 |
| Alex Colon | Albert Agura | Gomez | 1 | 1 |
| Arthur Rosenberg | John Lindford, Larry Fisher, Michael Barton | Jim McBain | 3 | 1 |
| Beverly Leech | Luann Carroll | Catherine Farrington | 1 | 1 |
| Casey Sander | Policeman #2 | Warren Monroe | 1 | 1 |
| Christopher Allport | Nick Underwood | Alan Ripley | 1 | 1 |
| Diana Bellamy | Edna, Molly Parnell | Mrs. Sherilyn Stanton | 2 | 1 |
| Don Sparks | Joe Denado | Jake Wiles | 1 | 1 |
| Erich Anderson | Tom McGuire | Steve Slater | 1 | 1 |
| Frances Bay | Rose Hayes, Samantha Bergstrom | Millie Reynolds | 2 | 1 |
| Guy Stockwell | Chief Johnson | Jake Edwards | 1 | 1 |
| James Handy | Prosecutor | Ross Tyler | 1 | 1 |
| James Sutorius | Gil Altman, Roger Herman | Joe Basch | 2 | 1 |
| Jim Haynie | Captain Chris Lewis | Sheriff John Hoyt | 1 | 1 |
| John Apicella | Bert Ginsberg, Desk Clerk | Sheriff Dixon | 2 | 1 |
| Ken Foree | Billy Leon | The Brush | 1 | 1 |
| Lisa Waltz | Frannie Morrisey | Lilly | 1 | 1 |
| Marilyn Jones | Anne Johnson | Cissy Davis | 1 | 1 |
| Max Gail | Lt. Chet Webber | George Sanders | 2 | 1 |
| Melora Hardin | Lisa Swift | Abigail Fuller | 1 | 2 |
| Michael McGrady | Walt Thomas | Oscar | 1 | 1 |
| Stacy Edwards | Rachel Bauer | Elizabeth Spokane | 1 | 1 |
| Tom Everett | Joey DeFalco | Deputy Sheriff Hazlitt | 1 | 1 |
| Wayne Tippit | ADA Jerry Carlisle, Sen. David Hopkins | Henry Mackenzie | 2 | 1 |
| Mary Gordon Murray | Diane Becker | Leta Aider | 2 | 2 |
| John Allen Nelson | Bill Parker, Terry Maslin | Capt. Bill 'Bird Dog' Birdell | 2 | 1 |
| Kurt Deutsch | Tim McDaniels | Grant Cutter Jr. | 2 | 1 |
| Ralph Bruneau | Howard Price | Head Steward | 2 | 1 |
| Deborah Wakeham | Kimberly Bradshaw | Sherry Shiloh | 1 | 1 |
| Diane Delano | Dodo the Clown | Prostitute | 1 | 1 |
| Fran Ryan | Doris Curtis | Dorothy Jaeger | 1 | 1 |
| Heidi Swedberg | Sister Katherine | Valerie Nevsky | 1 | 1 |
| Hugh Gillin | Assemblyman Bud Carlson | Contest Judge | 1 | 1 |
| Janet Carroll | Anita Montrose | Janie Wilson | 1 | 1 |
| Jerry Hardin | Avery Campbell | Ed Saxton | 1 | 1 |
| Lee Garlington | Paula | Nurse Chatam | 1 | 1 |
| Neil Giuntoli | Judd Taylor | Private Ryder | 1 | 1 |
| Robert Lesser | Robert Ullman | Max Wushinski | 1 | 1 |
| Rod Loomis | Ron | Horace | 1 | 1 |
| Scott Hoxby | Dave Peters | Capt. Cooper | 1 | 1 |
| Tom La Grua | Stage Manager | Joey | 1 | 1 |
| Peter Spears | Barry Feldman | Doug Bridges | 2 | 1 |
| Edward Edwards | John Randall | Professor Davenport | 1 | 1 |
| Geoffrey Lower | Terry Landis | Lt. Richard Montgomery | 1 | 1 |
| Guy Boyd | Bret Howell | John Stoddard | 1 | 1 |
| Heather McAdam | Carol Thompson | Connie Duncan | 1 | 1 |
| James Harper | Dan Galloway | Vincent Loggia | 1 | 1 |
| James Ingersoll | Lawyer | Clayton Trafford | 1 | 1 |
| Lorinne Vozoff | Betty Cole | Mary Walters | 1 | 1 |
| Richard McGonagle | Dr. Eldon McNeeley | Bill Wilson | 1 | 1 |
| Robert Miranda | Nathan Carlino | Carlo Degorio | 1 | 1 |
| Roz Witt | Jury Foreperson, Martha | Waitress | 2 | 1 |
| Shari Headley | Carla Royce | Violet Walters | 1 | 1 |
| Terri Hanauer | District Attorney Melissa Lyle | Irene Basch | 1 | 1 |
| Dominic Oliver | Roy Vincent | Cabbie | 2 | 1 |
| Laurel Schaefer | Female Reporter, Reporter #3 | Gail | 2 | 1 |
| Nigel Gibbs | Police Officer, Policeman | Waiter | 2 | 1 |
| Tony Maggio | Chris Reardon | Tony | 2 | 1 |
| Wil Albert | Enrico, The Amazing Ziegler | Charlie | 2 | 1 |
| Garth Wilton | Hotel Manager | Detective | 1 | 1 |
| Mark McPherson | Deputy | Francis Edward "Eddie" Brackett | 1 | 1 |
| Noble Willingham | Rev. Morley Phelps | Gene | 1 | 1 |
| Sean Baca | Street Kid #2 | Stevie Means | 1 | 1 |
| Stuart Fratkin | Malcolm | Hags | 1 | 1 |
| Dale Harimoto | Newscaster, Reporter #2 | Newscaster | 2 | 1 |
| John Hostetter | Whitehall, Engineer | Burt | 3 | 1 |
| Charles Walker | Harry | Frank Willis | 1 | 1 |
| Dale Swann | Man | Bill | 1 | 1 |
| David Hayward | Lt. Meyerson | Dempsey | 1 | 1 |
| G. Smokey Campbell | Mike Floyd | Rainey | 1 | 1 |
| Hal Landon, Jr. | George | Norm | 1 | 1 |
| Lewis Arquette | 2nd Commissioner | Father Muldooney | 1 | 1 |
| Maggie Egan | Julia Sampson | Margaret Cole | 1 | 1 |
| Michael Holden | Producer | Herb Stein | 1 | 1 |
| Mik Scriba | Sgt. Turner | Coach Donnelly | 2 | 1 |
| Nick Cassavetes | Foley | Primo La Palma | 1 | 1 |
| Pat Crawford Brown | Old Woman | Woman | 1 | 1 |
| Paul Collins | Jim Milbourne | Rob Jackson | 1 | 1 |
| Richard Grove | John Kramer | Mark LeJeune | 1 | 1 |
| Romy Walthall | DeeDee Lambert | Cheryl Wilson | 1 | 1 |
| Javi Mulero | Cuban Gang Leader | Taco Man | 2 | 1 |
| Elyse Donalson | Judge Harper | Nurse Ethel | 1 | 1 |
| Lewis Dauber | Roger Chapman | Reporter | 1 | 1 |
| Michael Bryan French | Giles's Lawyer | Jack Kerouac | 1 | 1 |
| John Petlock | Curtis Bartholomew, Doctor | Brian Chadwick | 2 | 1 |
| Ann Walker | Landlady | Leola | 1 | 1 |
| Christopher J. Keene | Reporter #3 | Doctor | 1 | 1 |
| Doreene Hamilton | Secretary | Anita's Friend | 1 | 1 |
| Fitz Houston | Lt. Parker | Black Senator | 1 | 1 |
| Kristopher Logan | Arnie | Bone | 1 | 1 |
| Ron Ulstad | Sgt. Maguire | Bandleader | 1 | 1 |
| Stephanie Shroyer | Cathy Wolfe | Sitter | 1 | 1 |
| Joseph Burke | Bakery Manager | Otis | 1 | 1 |
| Tom Verica | Craig Browning | Impala | 1 | 1 |
| Jack Yates | Bank Guard #2 | Gus | 1 | 1 |
| Montrose Hagins | Maid | Matty | 1 | 1 |
| Ray Young | Sheriff | Big Bob | 1 | 1 |
| Alina Cenal | Mrs. Rodriguez | Rafaella | 1 | 1 |
| Frank Collison | Unshaven Man | Mortimer | 1 | 1 |
| James Clark | Onlooker | Engineer | 1 | 1 |
| James Mastrantonio | Prisoner #1 | Henri | 1 | 1 |
| Jon Berry | Buffet Waiter | Police Sniper | 1 | 1 |
| Julie Lloyd | Masseuse | Waitress | 1 | 1 |
| Kevin McDermott | Bodyguard | Kruger | 1 | 1 |
| Edmund L. Shaff | Henry Macklin | Minister | 1 | 1 |
| Jeffrey Concklin | Man in Crowd | Reese | 1 | 1 |
| Jim Rhine | Concerned Jury Member | Comedy Club Bloke | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.