All 112 actors in both Blindspot and Elementary
112 actors have appeared in both Blindspot and Elementary, across 254 episodes. The most-credited is Trieste Kelly Dunn, Allison Knight in Blindspot and Sophie Bush in Elementary.
| Actor | In Blindspot | In Elementary | Eps | Eps |
|---|---|---|---|---|
| Trieste Kelly Dunn | Allison Knight | Sophie Bush | 18 | 1 |
| Jefferson White | Parker | Dorian Moll | 10 | 1 |
| Tim Guinee | Boris Solokov/Jason Stack | Dean McNally | 1 | 8 |
| Michael Gaston | Thomas Carter | Kurt Yoder | 7 | 1 |
| Dylan Baker | FBI Director Sam Pellington | Armand Venetto | 6 | 1 |
| Ami Sheth | Afreen Iqbal | Mrs. Holland | 12 | 1 |
| Chris McKinney | Colonel Nix | Detective Guzman | 1 | 4 |
| Afton Williamson | Kara Sloane | Monica Scott | 2 | 1 |
| Brian O'Neill | Coach Michael Jones | Kemper Family Attorney | 5 | 1 |
| Heather Burns | Kathy Gustafson | Chloe Butler | 5 | 1 |
| Eisa Davis | Alexandra Harrison | OB/GYN | 4 | 1 |
| Garret Dillahunt | Travis | Bart MacIntosh | 1 | 1 |
| Mark Deklin | J.B. Kelley | Jake Bozeman | 1 | 1 |
| Mike Doyle | Nathan Williams | Chris Holland | 1 | 1 |
| Sarita Choudhury | Sofia Varma | Gira Pal | 5 | 1 |
| Dennis Boutsikaris | Lucas Nash | Gerald Lydon | 2 | 1 |
| Dominic Fumusa | General Pete Mahoney | Jordan Conroy | 1 | 2 |
| Jennifer Ikeda | Julliet Cheng | Laura Lyons | 3 | 1 |
| Christopher Fitzgerald | Daschelle Watkins | Dr. Neil Murray | 1 | 1 |
| Cindy Cheung | Dr. Kerry Coleman | Cindy Park | 2 | 1 |
| Jessica Hecht | Dr. Margaret Palmeri | Patricia Ennis | 1 | 1 |
| Katie Finneran | Sheryl Meeks | Barbara Conway | 1 | 1 |
| Margaret Odette | DJ | Debora Garissi | 1 | 1 |
| William Ragsdale | Russell Franklin | Patrick Moore | 1 | 1 |
| Jeremy Burnett | Anthony | Duane | 1 | 3 |
| Amy Hargreaves | Olivia Delidio | Jill Horowitz | 2 | 1 |
| Luke Kirby | Junior | Aaron Ward | 2 | 1 |
| Marcus Choi | Detective Ray Yamada | Marco | 2 | 1 |
| Quincy Dunn-Baker | Conor | Mark Trenchman | 2 | 1 |
| Steve Kazee | Clem Hahn | Jeff Heinz | 2 | 1 |
| David Alan Basche | Patrick Lyman | Warren Clift | 1 | 1 |
| David Furr | Agent Joshua Boyd | Paul Reeves | 1 | 1 |
| Jamie Jackson | Roman | Colm Frick | 1 | 1 |
| Jenna Stern | Dr. Lindsay Sparacino | Angela Donnely | 1 | 1 |
| Karen Pittman | Elizabeth Gubara | Daria Wyngold | 1 | 1 |
| Lee Tergesen | Patrick O'Malley | Cray Fielder | 1 | 1 |
| Linda Powell | Colonel Ferguson | Congresswoman Kristen Salazar | 1 | 1 |
| Lisa Emery | Linda Weller | Mrs. Barnes | 1 | 1 |
| Louis Ozawa Changchien | Ken Lee | Go Shinura | 1 | 1 |
| Rosa Arredondo | Camila Solis | Elaine | 1 | 1 |
| Terence Archie | Uniform Officer | Boss | 1 | 1 |
| Mike Masters | Dennis | Lead Security Guard | 2 | 1 |
| Alexander Chaplin | Garret Young | Davis Potter | 1 | 1 |
| Amy Rutberg | Marci Booth | Nicole Slater | 1 | 1 |
| Ben Rappaport | Gregory Burke | Dr. Cahill | 1 | 1 |
| Bob Ari | Earl | Jeweler | 1 | 1 |
| Carrie St. Louis | Random Lab Tech | Becca Mainzer | 1 | 1 |
| Dan Butler | Paul Bolton | Denny Mulgrew | 1 | 1 |
| Jennifer Van Dyck | Dr. Nancy Williams | Alyssa Talbott | 1 | 1 |
| Josh Cooke | Andy Taylor | Phil Balsam | 1 | 1 |
| Kyle Vincent Terry | Zico Faulhaber | Angelo | 1 | 1 |
| Lawrence Ballard | Besuited Man | Guard | 2 | 1 |
| Maceo Oliver | IT Tech | Nassau County Uni | 1 | 1 |
| Marcus Callender | Agent Berger | Young Cop | 1 | 1 |
| Paul Fitzgerald | Frank Surrey | Burt Jeffries | 1 | 1 |
| Pun Bandhu | Panit | Lab Assistant | 1 | 1 |
| Ron Rifkin | Rob Donnelly | Wayne Vachs | 1 | 1 |
| Slate Holmgren | Barry Wallace | Uniform #3 | 2 | 1 |
| Wendy Hoopes | Claire Dunn | Detective Annie Wozniak | 1 | 1 |
| Alex Morf | Surjik Fells | Miles Pohlua | 1 | 1 |
| Annie Q. Riegel | Riley | Wendy / Kuo Wenling | 1 | 1 |
| Daniel London | Emile | Manteo Pena | 1 | 1 |
| Dennis Flanagan | Logan | Jeremy | 1 | 1 |
| Ed Moran | Robert Kingston | Detective | 1 | 1 |
| Gabriel Olds | Evan Myers | Dr. Nate Campbell | 1 | 1 |
| Jim True-Frost | John Saya | Anson Samuels | 1 | 1 |
| Kathleen McNenny | Camille Moon | Ida Talt | 1 | 1 |
| Paul Calderón | Drill Instructor | Zuniga | 1 | 1 |
| Robert Eli | Major Arthur Gibson | Ron Davis | 1 | 1 |
| Teddy Cañez | Boss Guard | Maynor Palacio | 1 | 1 |
| Zainab Jah | Odan President Botros | Vicki | 1 | 1 |
| Danny Garcia | Mike | Foreman | 1 | 1 |
| Grace Rex | Kristy | Ashley Medina | 1 | 1 |
| Jakob Von Eichel | Kazahrusian Thug Leader | Pierre Gagnier | 1 | 1 |
| Jeremy Shamos | Casey Marco | Dr. Paul Sutherland | 1 | 1 |
| Joseph Melendez | Luther VanLax | Carlos | 1 | 1 |
| Sanjit De Silva | Sanjay Bonthala | Dr. Amrit | 1 | 1 |
| Suzy Jane Hunt | Tracy Warren | Susan | 1 | 1 |
| Adrian Alvarado | Justin Trimble | Uniform #1 | 1 | 1 |
| Amelia Workman | Jill | Cora | 1 | 1 |
| David Aaron Baker | Mark Waterman | Joe Leshner | 1 | 1 |
| David Shih | Diamond Broker | Detective #1 | 1 | 1 |
| DeShawn Harold Mitchell | Danny | Guard | 1 | 1 |
| Eric Elizaga | Todd | Eldon | 1 | 1 |
| Hubert Point-Du Jour | Akol | Jaylen Thomas | 1 | 1 |
| James Andrew O'Connor | Kevin Pabst | Security Guard | 1 | 1 |
| Jason Alan Carvell | Ivon Musgrave | Detective Grimes | 1 | 1 |
| JoAnna Rhinehart | Arlene Turner | Ms. Bracken | 1 | 1 |
| Michael Bryan French | George Amherst | Mr. Hutchins | 1 | 1 |
| Misha Kuznetsov | Niko Popov | Marko Zubkov | 1 | 1 |
| Nancy Lemenager | Chelsea Chalgren | Susan Moore | 1 | 1 |
| Ron Menzel | Dr. S | Brian | 1 | 1 |
| Samrat Chakrabarti | Ashish Jaffer | Vikrant Jindal | 1 | 1 |
| Sathya Sridharan | Nikhil Thakker | Amir | 1 | 1 |
| Ted Koch | Ben Fine | Mr. Adler | 1 | 1 |
| Dan Ziskie | Peter Warren | Gordie Kasdan | 1 | 1 |
| Jayce Bartok | Jared Wisnewski | Alden Lubbock | 1 | 1 |
| Raymond Neil Hernandez | Truck Driver | Truck Driver | 1 | 1 |
| Ricky Garcia | Miguel | Ramon | 1 | 1 |
| Robert Emmet Lunney | Dr. Magnus Van Buren | Attorney | 1 | 1 |
| Shelley Thomas-Harts | Ingrid | Ms. Lawler | 1 | 1 |
| Frank Bal | Guard | Security Guard | 1 | 1 |
| Jennifer Regan | Cyndie Bagget | Agent Claudia Camden | 1 | 1 |
| Kenneth Tigar | Sean Clark | Philip Armistead | 1 | 1 |
| Rachel Christopher | US Attorney Grant | Receptionist | 1 | 1 |
| Robert Manning, Jr. | Jane's Guard #1 | Dr. Branford Fisher | 1 | 1 |
| Ching Valdes-Aran | Elder Female Monk | Shopkeep | 1 | 1 |
| Lucas Dixon | Merrick Faunce | Sheriff's Officer #2 | 1 | 1 |
| Robert C. Kirk | Vince | Detective Harris | 1 | 1 |
| Delance Minefee | FBI Agent | Fine Diner | 1 | 1 |
| Emmanuel Brown | Felix | Uni Cop | 1 | 1 |
| Tom White | Secret Service Agent | Xavier | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.