All 113 actors in both Southland and The Mentalist
113 actors have appeared in both Southland and The Mentalist, across 194 episodes. The most-credited is Jamie McShane, Sergeant Terry Hill in Southland and Jack Tanner in The Mentalist.
| Actor | In Southland | In The Mentalist | Eps | Eps |
|---|---|---|---|---|
| Jamie McShane | Sergeant Terry Hill | Jack Tanner | 19 | 1 |
| Emily Bergl | Tammi Bryant | Ms. Austin | 15 | 1 |
| Patrick Fischler | Detective Kenny 'No-Gun' | Gary Beinhart | 8 | 1 |
| Roxana Brusso | Detective Alicia Fernandez | Elena | 13 | 1 |
| JoNell Kennedy | Danell | Coroner Pat | 1 | 4 |
| Lex Medlin | Detective Andy Williams | Chaplain Johnny Griffin | 9 | 1 |
| Anthony Ruivivar | Officer Henry "Hank" Lucero | Victor Phipps | 7 | 1 |
| Emily Swallow | Dina Clarke | Kim Fischer | 5 | 3 |
| Stacy Haiduk | Sally | Cynthia Satterfield | 2 | 1 |
| Drew Powell | Officer Merkel | Reede Smith | 2 | 5 |
| Frederick Koehler | Arrested Man | Tommy Olds | 1 | 1 |
| Ryan Dorsey | Cody Carlos | Benson | 2 | 2 |
| Joe Nieves | Fischer | Det. Oscar Cordero | 2 | 3 |
| Lee Garlington | Cathleen Kerik | Betty Fulford | 2 | 1 |
| Karina Logue | Amber | Tish Delaurio | 3 | 1 |
| Lesley Fera | Sgt. Waters | Leslie Sloop | 4 | 1 |
| Michael Jace | Terrell | Lawrence Rome | 4 | 1 |
| Victor Alfieri | Victor Cifuentes | Carlos Ruiz | 5 | 1 |
| Charles Malik Whitfield | Detective Manheim | Cole Ruger | 2 | 1 |
| Christopher Cousins | Peter Wellington | Jason Lennon | 1 | 2 |
| Brit Morgan | Natasha | Marie Flanigan | 1 | 1 |
| John Billingsley | Man with Dog | Ellis Mars | 1 | 1 |
| Jon Jon Briones | Rama | Mr. Lam | 1 | 1 |
| Jonathan Castellanos | Lil Casper | Oscar | 3 | 1 |
| Malcolm Barrett | Henry Watts | Officer Clarence Price | 1 | 1 |
| Tom Virtue | Russell's Doctor | George Palmer | 1 | 1 |
| David Barrera | Officer Jim Lopez | Frank Rodriguez | 2 | 1 |
| Maya Gilbert | Kaya | City Clerk | 2 | 1 |
| Bess Rous | Christie | Emma Cordry | 1 | 1 |
| Brandon Fobbs | Officer Aaron Stanley | Zach Jefferson | 1 | 1 |
| Debra Christofferson | Melanie | Kay Vickers | 1 | 1 |
| Derek Ray | Officer Gary Steele | Billy Racine | 2 | 1 |
| Vernée Watson | Mrs. Johnson | Psychiatrist | 2 | 1 |
| Yvette Saunders | Officer Mailer | Nurse | 2 | 1 |
| Luis Moncada | Eddie, Latino Gangbanger | Luis Ozorio | 2 | 1 |
| Monica Garcia | Stephanie Oliver | Guard | 2 | 1 |
| Emilio Rivera | Luis Reyes | Martin | 1 | 1 |
| Josh Stewart | Vid Holmes | Harlan McAdoo | 1 | 1 |
| Ken Lerner | Mr. Kahan | Judge Markland | 1 | 1 |
| Mageina Tovah | Misty | Constance | 1 | 1 |
| Maite Schwartz | Stella Holmes | Jessica Meier-Cardeira | 1 | 1 |
| Ray Porter | Boy | Wick Ammon | 1 | 1 |
| Rocky McMurray | Rehab Director | Highway Patrolman | 1 | 1 |
| Shane Edelman | Eric Solov | Abel Schneiderman | 1 | 1 |
| Sloan Robinson | Black Woman | Ruby Hightower | 1 | 1 |
| Sonia Jackson | Adrienne (Football Mom) | Bean | 1 | 1 |
| Alex Skuby | Steve | Officer Carl Beller | 1 | 1 |
| Brian David Jones | Reporter | Security Guard Jimmy | 1 | 1 |
| Dean Cameron | Mr. Milsap | Doctor | 1 | 1 |
| Ellen Wroe | Cathy | Officer Green | 1 | 1 |
| Nicole J. Butler | Clerk | Bailiff | 1 | 2 |
| Pedro Lopez | Gardener | Alfredo | 1 | 1 |
| Rebecca Metz | Shannon Walsh | Carol Gentry | 1 | 1 |
| Richard Cox | David Milliard | Brother Josef | 1 | 1 |
| Soledad St. Hilaire | Mrs. Montoya | Maid | 1 | 1 |
| Tom Wright | Mr. Hill | Kevin Rome | 1 | 1 |
| Brian Cousins | Mr. Monroe | Fire Station Captain | 1 | 1 |
| Bryan Rasmussen | Officer | Mason Hunston | 1 | 1 |
| Drew Rausch | Cesar | Officer Ray Moran | 1 | 1 |
| Kwesi Boakye | Richard | Anthony Rome | 1 | 1 |
| Ronald William Lawrence | Officer 2 | Chief Hambrick | 1 | 1 |
| Rubén Garfias | Mr. Ochello | Mendoza | 1 | 1 |
| Sam Doumit | Christi Cummings | Dawn May | 1 | 1 |
| Ronnie Gene Blevins | Stoner (Barry) | Elwood Spiller | 2 | 1 |
| Anne Gee Byrd | Mrs. Noyce | Neighbor Lady | 1 | 1 |
| Chet Grissom | Sgt. Johnston | Mr. Trevayne | 1 | 1 |
| Christopher Gartin | Tom Sorenson | Alex Sodko | 1 | 1 |
| Dennis Cockrum | Tom | Cellmate | 1 | 1 |
| Jim Hoffmaster | Barry Sayles | Civilian Employee | 1 | 1 |
| Jullian Dulce Vida | Pedro Gamez | Inmate #1 | 1 | 1 |
| Karen Malina White | Irene | Elsie Graham | 1 | 1 |
| Marisa Echeverria | Officer Michelle Sands | Lailah Bloom | 1 | 1 |
| Paul Ganus | Kenneth Collman | Security Guard Jim | 1 | 1 |
| Scott Hoxby | Detective | Wealthy Older Man | 1 | 1 |
| Tim De Zarn | Father Greg Carmichael | Arkin Shea | 1 | 1 |
| V.J. Foster | Contractor | Dickie Yuntz | 1 | 1 |
| Connie Schiro | Judgmental Observer | Hotel Manager | 1 | 1 |
| David Figlioli | Cop 1 | Building Manager | 1 | 1 |
| Jake Dogias | Allen | Marcus Klein | 1 | 1 |
| Janelle Marra | Yazmin | Vicki Shell | 1 | 1 |
| Jeris Lee Poindexter | Mr. Tillman | Manager | 1 | 1 |
| Annie Little | Michelle | Ginger Crosswhite | 1 | 1 |
| Exie Booker | Police Translator #2 | Corrections Officer | 1 | 1 |
| Fatso Fasano | Big Wayne | Boo | 1 | 1 |
| Garret Davis | Pathologist | Marty | 1 | 1 |
| Jonathan Spencer | Man | Howie | 1 | 1 |
| Kathryn Taylor Smith | Brenda | Hotel Security | 1 | 1 |
| Raj Maan | Driver | Clerk Ali | 1 | 1 |
| Zone | Gangster #2 | Jayden Stephens | 1 | 1 |
| Cher Ferreyra | Rosa | Lead Inmate | 1 | 1 |
| Gary Kraus | Sheriff Carter | Larry Kincaid | 1 | 1 |
| Jean Paul San Pedro | Paramedic | Armando Granuccio | 1 | 1 |
| Maria Russell | Vasquez | Medic | 1 | 1 |
| Omid Zader | Ahmad | Qasimi Guard | 1 | 1 |
| Michael A. DiBacco | Guard | Cop | 1 | 1 |
| Antal Kalik | Desk Clerk | Henry Dahl | 1 | 1 |
| Eric Pumphrey | Perp | Devin Frost | 1 | 1 |
| J. Rene Pena | Nurse Patchen | Mrs. Salas | 1 | 1 |
| Kent Avenido | Dok | Luis | 1 | 1 |
| Kirk Bovill | Crazy Man | Driver | 1 | 1 |
| Ricky Dean Logan | Glenn | Drug Dealer | 1 | 1 |
| Cletus Young | Boozer | Older Man | 1 | 1 |
| Jarrod Crawford | Officer Dollard | Journalist | 1 | 1 |
| Jodi Fung | Reporter | TSA Officer | 1 | 1 |
| Luke White | Paramedic #1 | Paramedic #1 | 1 | 1 |
| Patrick Robert Smith | Price | Police Officer | 1 | 1 |
| Ricky Saenz | Perez | Jorge Arroyo | 1 | 1 |
| Sean Spann | Bloody Man | Phil Cofield | 1 | 1 |
| Theo Breaux | Tweety | CDCA Agent #1 | 1 | 1 |
| Charles Carpenter | Clark | Deputy | 1 | 1 |
| Jennifer Echols | Nurse | Principal's Secretary | 1 | 1 |
| Darren Dupree Washington | Lewicki | Air Marshal | 1 | 1 |
| Travis Johns | Officer #1 | Deputy #3 | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.