9-1-1 guest stars

1,663 actors have guest-starred in 9-1-1 across 143 episodes and 10 seasons. The most-credited is Tracie Thoms, Karen Wilson in 64 episodes. 699 of them have also guest-starred in five or more of the other shows in this catalogue.

Who came back most

9-1-1 guest actors by episode count
Actor	Character	Eps
Tracie Thoms	Karen Wilson	64
Bryan Safi	Josh Russo	62
Anirudh Pisharody	Ravi Panikkar	51
Declan Pratt	Denny Wilson	46
Chiquita Fuller	Linda Bates	37
Debra Christofferson	Sue Blevins	37
Bailey Leung	Jee-Yun Buckley Han	33
Chris Wu	Officer Williams	20
Megan West	Taylor Kelly	20
Claudia Christian	Captain Elaine Maynard	19
Hailey Leung	Jee-Yun Buckley Han	19
Cocoa Brown	Carla Price	18
Askyler Bell	Mara Wilson	17
Ashwin Gore	Jamal Momed	16
Lou Ferrigno Jr.	Tommy Kinard	15
Rick Chambers	Dwight Meyerson	15
Alex Loynaz	Terry Flores	13
Brian Thompson	Capt. Vincent Gerrard	13
Michelle Bernard	Officer Carol Branford	12
La Monde Byrd	David Hale	11
Ana Mercedes	Isabel Diaz	10
Arielle Kebbel	Lucy Donato	10
Danny Nucci	Rick Romero	10
Gabrielle Walsh	Ana Flores	10
Marsha Warfield	Antonia "Toni" Wilson	10

9-1-1 guest stars by season

Guest actors per season of 9-1-1
Season	Guests	Who
Season 1	197	Cocoa Brown, Mariette Hartley, Alex Loynaz, Tracie Thoms, Abby Brammell, Gavin Stenhouse, Brielle Barbusca, Doug Savant, Genneya Walton, John Marshall Jones, Josephine Lawrence, London Cheshire and 185 more
Season 2	286	Bryan Safi, Debra Christofferson, Tracie Thoms, Devin Kelley, Ana Mercedes, Chiquita Fuller, Tiffany Dupont, Alex Loynaz, Brian Hallisay, Cocoa Brown, Declan Pratt, Jonathan Grebe and 274 more
Season 3	298	Bryan Safi, Tracie Thoms, Declan Pratt, Ashwin Gore, Chris Wu, Debra Christofferson, Ronda Rousey, Chiquita Fuller, Michelle Bernard, Sean Kleier, Christian Keyes, Claudia Christian and 286 more
Season 4	175	Bryan Safi, Chiquita Fuller, Margot Catherine Terry, Tracie Thoms, Debra Christofferson, Gabrielle Walsh, La Monde Byrd, Andi Chapman, Chris Wu, Declan Pratt, Marsha Warfield, Megan West and 163 more
Season 5	223	Anirudh Pisharody, Megan West, Chiquita Fuller, Bryan Safi, Arielle Kebbel, Tracie Thoms, Bryce Durfee, Declan Pratt, Ashwin Gore, Debra Christofferson, La Monde Byrd, Vanessa Estelle Williams and 211 more
Season 6	194	Bailey Leung, Declan Pratt, Hailey Leung, Bryan Safi, Tracie Thoms, Anirudh Pisharody, Alfonso Caballero, Chelsea Kane, Colin McCalla, Alicia Coppola, Annelise Cepero, Arielle Kebbel and 182 more
Season 7	113	Lou Ferrigno Jr., Tracie Thoms, Bailey Leung, Anirudh Pisharody, Askyler Bell, Bryan Safi, Declan Pratt, Devin Kelley, Edy Ganem, Hailey Leung, Malcolm-Jamal Warner, Richard Brooks and 101 more
Season 8	217	Bailey Leung, Tracie Thoms, Bryan Safi, Anirudh Pisharody, Askyler Bell, Brian Thompson, Declan Pratt, Callum Blue, Lou Ferrigno Jr., Rick Chambers, Claudia Christian, Cecile Cubiló and 205 more
Season 9	216	Anirudh Pisharody, Tracie Thoms, Debra Christofferson, Bailey Leung, Bryan Safi, Chiquita Fuller, Askyler Bell, Declan Pratt, Briana Venskus-Vazquez, Jim Holmes, Josh Stamberg, Mark Consuelos and 204 more
Season 10	0	—

Guest stars you know from somewhere else

The hardest-working character actors in this show's guest cast, ranked by how many other shows in this catalogue they have also guest-starred in. Not the most famous names, the most prolific ones.

9-1-1 guest stars who appear in other shows
Actor	In 9-1-1	Other shows
Tom Virtue	Tire Store Employee	48
Robert Curtis Brown	Ronald	45
George Wyner	Don	41
John Rubinstein	Melvin	40
Patrick Fischler	Hollis Harcourt	40
Romy Rosemont	Lola Peterson	36
Andy Umberger	Deputy Chief Phil Evans	36
Christopher Cousins	Charles Bryson	36
Michael Dempsey	Officer Dowers	36
Jack McGee	John "Red" Delacroix	34
Steven Culp	Henry Wallace	34
Colby French	Detective Marks	33
Frederick Koehler	Carl Gates	32
Larry Poindexter	Maxwell Fulton	32
Lawrence Pressman	Mitchell	32

Played more than one character

9-1-1 actors credited under several characters
Actor	Characters	Eps
Devin Kelley	Shannon Diaz, Kim	9
Charles Emmett	DWP Engineer, Hector Silva	3
Sarah Chaney	Amy Olson, Supervisor	3
Brandon Papo	Jesse, Store Employee	2
Daniel Curtis Lee	Rude Handler, Wade Weaver	2
Heather Olt	Social Worker, Val	2
Jeanette O'Connor	Nosy Neighbor, Pearl	2
LaNisa Renee Frederick	Kath, Mom	2

Shares a cast with

9-1-1 and NCIS — 422 shared actors
9-1-1 and Criminal Minds — 365 shared actors
9-1-1 and Grey's Anatomy — 319 shared actors
9-1-1 and NCIS: Los Angeles — 261 shared actors
9-1-1 and S.W.A.T. — 259 shared actors
9-1-1 and The Rookie — 215 shared actors
9-1-1 and The Mentalist — 212 shared actors
9-1-1 and Castle — 206 shared actors

Cast data from TVmaze, licensed CC BY-SA 4.0.