All 153 actors in both The Mentalist and The Practice
153 actors have appeared in both The Mentalist and The Practice, across 318 episodes. The most-credited is Ray Abruzzo, Bill Mylar in The Mentalist and Detective Michael McGuire in The Practice.
| Actor | In The Mentalist | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Ray Abruzzo | Bill Mylar | Detective Michael McGuire | 1 | 44 |
| Aunjanue Ellis | Madeleine Hightower | Sharon Young | 17 | 4 |
| Gregory Itzin | Virgil Minelli | Attorney Mark Grundel, Attorney Walter Pyne, D.A. Michael Stanfield | 15 | 5 |
| Michael Gaston | Gale Bertram | Roland Hubert | 17 | 1 |
| Debra Mooney | Lydia Bibb | Judge P. Spindle | 1 | 7 |
| Arye Gross | Dr. Ed Saban | Rabbi Daniel Warner, Attorney John Franklin | 1 | 5 |
| Dakin Matthews | Christo Papadakis | Judge William Aldrich, Judge Courtney Lander | 2 | 4 |
| Michael Monks | Rick Meadowlark | George Vogelman | 1 | 11 |
| George Wyner | Dr. Steiner | Rabbi Stewart Lewis | 3 | 1 |
| Rockmond Dunbar | Dennis Abbott | Byron Little | 3 | 1 |
| Currie Graham | Walter Mashburn | Sheldon Modry | 2 | 1 |
| John Rubinstein | Judge Manchester | Judge Joseph Papp | 3 | 3 |
| Silas Weir Mitchell | Ralph Mercer | Anthony Brickman | 1 | 2 |
| Jack Laufer | Stuart Davis | Dr. Gerald Braun | 1 | 4 |
| Robert Picardo | Jason Cooper | Dr. Edmunds | 4 | 1 |
| Tony Amendola | Aurelio | Dr. Bernard Gorman, Dr. Alvin Traub, Dr. Emmanuel Willis | 1 | 4 |
| Željko Ivanek | Dr. Linus Wagner | A.U.S.A. Steven Sanders, Assistant District Attorney General James McGovern, Matthew Davies | 2 | 3 |
| Art LaFleur | Det. Louis Earlen | William Bolling | 1 | 3 |
| Austin Tichenor | High Class Lawyer | A.D.A. Kenneth Tisbury | 1 | 5 |
| Donna Murphy | Deandra Sunderland | Marie Hanson | 1 | 1 |
| Dylan Baker | Bill Peterson | Senator Keith Ellison | 2 | 2 |
| Lisa Sheridan | Dr. Brooke Harper | Karen Evanson | 1 | 1 |
| Mark Pellegrino | Von McBride | Herrick Smoltz | 1 | 1 |
| Michael O'Neill | Sheriff Nelson | Judge Robert Temple | 1 | 1 |
| John Aylward | Dr. Lewis Stutzer | Federal Judge Kendall Marcott, Chief District Court Judge W. Frankle, Judge in Rydell Hearing | 1 | 4 |
| Christian Clemenson | Dr. Roy Carmen | Barry Wall | 2 | 1 |
| John de Lancie | Edward Feinberg | Dr. Walsh, Walter Bannish | 1 | 2 |
| Paul Ben-Victor | Noah Landau | Benny Small | 1 | 2 |
| Spencer Garrett | Michael Elkins | A.D.A. Carter | 1 | 2 |
| J.C. MacKenzie | Dr. Griffin Welks | Dr. Fred Spivak | 1 | 3 |
| Robert Clotworthy | Rudolph Pulaski | Coroner, Judge Tyler Flynn | 2 | 2 |
| Amy Aquino | Judge Patricia Davis | Judge Louise Moreno | 2 | 1 |
| Carmen Argenziano | Vice Principal Joseph DeSouza | Attorney Horace Wright, Principal Gilbert | 1 | 2 |
| Cristine Rose | Judge Pauline Fitzwilliam | Bernice White | 1 | 2 |
| David Starzyk | Ed Reed | EPA Attorney John Myers, Martin Adler | 1 | 4 |
| Dean Norris | Sgt. Don Henderson | Detective | 1 | 1 |
| Dennis Boutsikaris | Dr. Michael Rubin | U.S. Attorney Greg Mitchell | 1 | 1 |
| Jeremy Ratchford | George Holiday | Gavin Brown, Gibbons | 1 | 2 |
| Karina Logue | Tish Delaurio | Darlene Keating, Receptionist | 1 | 2 |
| Lee Garlington | Betty Fulford | Attorney | 1 | 1 |
| Lisa Kaminir | Linda Berry | Atty. Hanson | 1 | 1 |
| Marguerite MacIntyre | Heather Prentiss | Marcia Willow | 1 | 1 |
| Rick Hoffman | Christopher Lynch | D.A. Harvey Clarke | 1 | 3 |
| Robert Curtis Brown | Nathan Dilmer | Attorney John Wicker, Scott Simpson | 1 | 2 |
| Steven Culp | Morgan Tolliver | A.D.A. Emmanuel Kupcheck, Attorney Alldredge | 1 | 2 |
| Ted McGinley | Ed Hunt | Michael Hale | 1 | 1 |
| Titus Welliver | Michael Ridley | Gordon | 2 | 1 |
| Taylor Nichols | Alex Mildray | Father Tom Dugan | 1 | 3 |
| William Francis McGuire | Sgt. Delamure | A.D.A. Jimmy, Albert Ball | 2 | 2 |
| Andrew Leeds | Drew Yost | Danny Grant | 1 | 2 |
| Christopher Cousins | Jason Lennon | Ralph Alt | 2 | 1 |
| Stephen Macht | Hollis Percy | Gordon Armbrust | 1 | 2 |
| Denise Dowse | SFPD Det. Carla Mulvey | Caroline | 1 | 1 |
| Freda Foh Shen | Korean Store Owner | Judge Amy Okubo | 1 | 1 |
| John Billingsley | Ellis Mars | Revenue Officer Robert Schmitt | 1 | 1 |
| Mark Harelik | Kenyon Russell | Michael Agosta | 1 | 1 |
| Michael Reilly Burke | Andrew Kellogg | Detective Kevin McCarley | 1 | 3 |
| Robert Cicchini | Nick Monaco | Rodney Edsel | 1 | 1 |
| Tracy Middendorf | Jane Doe | Jennifer Cole | 1 | 3 |
| Dey Young | Esther Doverton | Elena Wharton | 1 | 2 |
| Madison Mason | Ted Luscom | Attorney Jacob Hurwitz, FDA Doctor Herwitz | 1 | 2 |
| Jim Jansen | Pastor Farley | Attorney Richard Hart, Attorney Ryan Hall, Stephen Gould | 1 | 3 |
| Steve Rankin | Jed Stack | Stephen Jamison | 1 | 3 |
| Andy Mackenzie | John "Tiny" Callahan | Ritchie Macklin | 1 | 1 |
| Bonnie Root | Tanya Derask | Jan Carlson | 1 | 1 |
| Carlton Wilborn | Glennda Snow | Lewis Nyler | 1 | 1 |
| Clifton Powell | C.O. Earls | Earl Johnson | 1 | 1 |
| Colby French | Jason Kern | Richie Price | 1 | 1 |
| David Figlioli | Building Manager | Mark Harris | 1 | 1 |
| Gareth Williams | DEA Supervising Agent Maloney | Patirck Emerson | 1 | 1 |
| J. August Richards | Dr. Vernon Watson | Michael Anderson | 1 | 1 |
| Jason Brooks | Ted Randolph | A.D.A. Adam Morris | 1 | 1 |
| John Prosky | Dr. Evan Quick | EPA Attorney Mitchell Kravits | 1 | 3 |
| Julia Campbell | Nina Hodge | A.D.A. Karen Fields | 1 | 1 |
| Keith Sellon-Wright | David Prentiss | Attorney Berry | 1 | 1 |
| Kymberly Newberry | Professor Huff | Susan Kimbro | 1 | 1 |
| Lawrence Pressman | Chancellor Stern | Dr. Milton Leach, Russell Mathis | 1 | 2 |
| Michael Holden | Lawyer, Michael Cashman | Joe Walsh | 2 | 1 |
| Phil Abrams | Greg Humphrey | Gary Strangis, Randy Peete | 1 | 2 |
| Ray Proscia | White Shoe Attorney | Walter Beck | 1 | 1 |
| Robert Pine | Tom Mitchell | John Monahan | 1 | 1 |
| Tim Guinee | Tag Randolph | Reverend Michael Crane | 1 | 1 |
| Vyto Ruginis | Heaton Krupp | Jason Swoboda | 1 | 1 |
| Ivar Brogger | Elliott Winston | Kevin Stadler, John Blair | 1 | 3 |
| Alan Blumenfeld | Nathan Vella | Attorney Claude, Attorney Molkovich | 1 | 2 |
| Paul Cassell | Stuart Hanson | Jay Hickman | 1 | 2 |
| Brad Greenquist | Henry Cliff | Agent Slauson | 1 | 1 |
| Charlotte Cornwell | Muriel Renfrew | Dr. Pickford | 1 | 1 |
| David Bowe | Brady Walton | Harris Reed | 1 | 1 |
| Garret Davis | Marty | Cassell / F.B.I. Agent Donnigan | 1 | 1 |
| Jack Kehler | Playland Owner | Kyle Peabody | 1 | 1 |
| John Kapelos | Hank Draber | Officer John Rydell | 1 | 1 |
| Lesley Fera | Leslie Sloop | A.D.A. Kate Barron | 1 | 1 |
| Nicole Bilderback | Francesca Ehrlich | Paralegal | 1 | 1 |
| Sonia Jackson | Bean | Protester #4 | 1 | 1 |
| Bob McCracken | Randal Parker | Ron Harper | 1 | 1 |
| Cheryl White | Susan Garcia | Christine Shepard | 1 | 1 |
| Chet Grissom | Mr. Trevayne | Jeremy Forbes | 1 | 1 |
| Conor O'Farrell | Det. Reece | D.A. Albert Bellamy | 1 | 1 |
| Daniel Zacapa | Janitor | Mr. Tabbitt | 1 | 1 |
| Deborah Carson | TV Reporter Meredith | Reporter #3, Reporter #4 | 1 | 2 |
| Ellen Geer | Grandmother | Judge G. Warner | 1 | 1 |
| Kathleen Gati | Vanna Clooney | Uniformed Officer | 1 | 1 |
| Matt Malloy | Scott Price | Mr. Robinson | 1 | 1 |
| Michael C. Alexander | Austin Cop | Officer in Corridor | 1 | 1 |
| Nicki Micheaux | Det. Miller | Security Guard Patricia Olah | 1 | 1 |
| Peter MacKenzie | Holman Perry | D.A. Brunner | 1 | 1 |
| Rey Gallegos | Raoul | Hector Guzman | 1 | 1 |
| Richard Cox | Brother Josef | Attorney Stuart Miller | 1 | 1 |
| Scott Klace | Mike Spruell | Stephen Hatfield | 1 | 1 |
| Michael Kagan | Patrick Offit | Judge Keller, Peter Martini | 1 | 2 |
| Chris Ellis | Sheriff Mullery | Donald Blane | 1 | 1 |
| Christopher Darga | Store Keeper | Officer | 1 | 1 |
| Douglas Spain | Hector Ramirez | Miguel Javalera | 1 | 1 |
| Eve Brenner | Biltmore Nicki | Sybil Walters | 1 | 1 |
| George Gerdes | Miles MacCambridge | Gun Manufacturer | 1 | 1 |
| H. Richard Greene | Robert Lynch | Judge Paul Stewart | 1 | 1 |
| Heather McComb | Peregrine Hartley | Lynette Hayes | 1 | 1 |
| Henri Lubatti | Roger | Wendall Forsley | 1 | 1 |
| Ken Lerner | Judge Markland | Rabbi Sam Benzig | 1 | 1 |
| Lily Knight | Leslie Palmer | Mary Pierce | 1 | 1 |
| Michael Chieffo | Coroner | Chris Varley | 1 | 1 |
| Paul Schackman | Alan Montross | Dr. Lanning | 1 | 1 |
| Steve Railsback | Mr. Kittel | Walter Dawson | 1 | 1 |
| Tim Sitarz | Rick Dort | Officer #3 | 1 | 1 |
| Tony Pasqualini | Alan Saltonstall | Dr. Winters | 1 | 1 |
| Miguel Nájera | Mr. Salas | Federal Immigration Judge Patron, Foreperson | 1 | 2 |
| Alejandro Furth | Alfredo | Dr. Mills | 1 | 1 |
| Anne Gee Byrd | Neighbor Lady | Cheryl Mosher | 1 | 1 |
| Brad Blaisdell | Darrin Farr | Clerk | 1 | 1 |
| Chad Todhunter | Jason O'Toole | Eddie Chessler | 1 | 1 |
| David Kelsey | Donald Beechum | Marvin Blaylock | 1 | 1 |
| Mark Craig | Cop | Officer | 1 | 1 |
| Paul Fitzgerald | Elliot Batson | Attorney Byron Powell | 1 | 1 |
| Paul Hayes | Building Super | Walter Cates | 1 | 1 |
| Alison Martin | Mrs. Macy | Judy Blair | 1 | 1 |
| Jan Munroe | Male Ranger | Dr. Charles Emory | 1 | 1 |
| Mark Chaet | Shyster Lawyer | Notary Public | 1 | 1 |
| Pat Skipper | Mitch Daniels | Officer Scott Guthrie | 1 | 1 |
| Paul Lieber | Roger | District Attorney | 1 | 1 |
| Susan Chuang | Joyce Tran | Reporter No. 2 | 1 | 1 |
| Vasili Bogazianos | Len Artash | A.D.A. Coffee | 1 | 1 |
| Brennan Feonix | Motorist | Officer | 1 | 1 |
| Floyd Van Buskirk | Manager | Robert Harmon | 1 | 1 |
| Jon Curry | Tom Yannick | Officer Paul Lykin | 1 | 1 |
| Karl T. Wright | Attorney | Andrew Burton | 1 | 1 |
| Mary Chris Wall | Dr. Wendelyn McCormick | A.D.A. Lisa Holtan | 1 | 1 |
| Teddy Lane, Jr. | Cop | Malzone Juror | 1 | 1 |
| Ajgie Kirkland | Jonas Diop | Guard | 1 | 1 |
| Carl Ciarfalio | Officer #1 | Officer #3 | 1 | 1 |
| Joe Howard | Harrison | Father | 1 | 1 |
| Kathleen M. Darcy | Edith Firlock | Clerk No. 2 | 1 | 1 |
| Leontine Guilliard | Tina | Colleen Burnette | 1 | 1 |
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Cast data from TVmaze, licensed CC BY-SA 4.0.