Agent Brooks / Brooks / Ghiacchio / Nelson Brooks / Jack Ryder (14 episodes, 2011-2018)
Barbara Gordon / Oracle (12 episodes, 2012-2018)
Helena Bertinelli / The Huntress (10 episodes, 2012-2018)
Dinah Lance / Black Canary / The Black Canary (10 episodes, 2012-2018)
Glenn Calloway / Detective Glenn Calloway (10 episodes, 2011-2018)
Proxy / Wendy Harris (9 episodes, 2016-2018)
Roland Strife (9 episodes, 2011-2018)
Julie Hartman (9 episodes, 2015-2018)
Catwoman / Selina Kyle (7 episodes, 2016-2018)
Lindsey Drake (7 episodes, 2011-2018)
The Joker (6 episodes, 2016-2017)
Rose Copeland (6 episodes, 2016-2018)
Deadshot / Floyd Lawton (6 episodes, 2015-2018)
Antoine Rotelli (5 episodes, 2012-2018)
James Gordon (5 episodes, 2011-2017)
Commissioner Loeb / Loeb (4 episodes, 2011-2017)
Harley Quinn / Businesswoman (4 episodes, 2016-2017)
Agent Lockhart (4 episodes, 2012-2017)
Amanda Waller (4 episodes, 2015-2017)
Batman / Trevor (4 episodes, 2011-2015)
Vicki Vale (4 episodes, 2016-2017)
Dick Grayson / Nightwing (3 episodes, 2012-2015)
Jane Kulesa / Detective Jane Kulesa (3 episodes, 2011-2015)
Agent 54 / Officer Elizabeth Marcus (3 episodes, 2016-2018)
Detective Courtney Collins / Courtney Collins (3 episodes, 2011-2015)
Candace Thorne (3 episodes, 2012-2017)
Dr. Emily O'Brien (3 episodes, 2011-2015)
Raymond Hart / Bruiser (3 episodes, 2011-2018)
Gideon / Mutiny (3 episodes, 2017)
Frances Simmons (2 episodes, 2016)
Maggie Kyle / Seraphim (2 episodes, 2016)
Alfred Pennyworth (2 episodes, 2017)
Tiger / Tony (2 episodes, 2017-2018)
Courtney Collins (2 episodes, 2017)
Query (2 episodes, 2012-2017)
Alessia Falcone (2 episodes, 2017-2018)
Agent 37 (2 episodes, 2017-2018)
Laurence Hart / Lawrence Hart (2 episodes, 2015-2018)
Agent 10 (2 episodes, 2016-2017)
Pamela Isley / Poison Ivy / Veronica Vreeland (2 episodes, 2016)
Bar GCPD #4 / Carlos (2 episodes, 2015-2016)
Cadmus Agent #1 / Harry (2 episodes, 2016)
Giordano Thorne (2 episodes, 2017-2018)
Agent Baker (2 episodes, 2016-2017)
Dono Rizzo (2 episodes, 2017)
Harley Quinn (2 episodes, 2016)
Mikey (2 episodes, 2017-2018)
Gotham Citizen (2 episodes, 2017)
Agent Hartnell (2 episodes, 2017)
Jeff (2 episodes, 2017)
Dr. Lewis Passarelli / Jonathan Crane / The Scarecrow (2 episodes, 2016-2018)
Gotham Citizen / Lucas Fox (2 episodes, 2017)
The Joker (2 episodes, 2012-2015)
Diana Prince / Wonder Woman (2 episodes, 2016-2017)
Grace Perez (2 episodes, 2011-2012)
Detective Harvey Bullock (2 episodes, 2011)
Mr. Barry (2 episodes, 2015)
Dr. Elizabeth Klemper / The Scalpel (1 episode, 2011)
Harvey Dent (1 episode, 2011)
Dr. Taylor Azzinaro (1 episode, 2015)
Mayor Gwendolyn Kratt (1 episode, 2016)
Christine St. Cloud (1 episode, 2016)
Echo (1 episode, 2012)
Superman (1 episode, 2011)
Scarlet (1 episode, 2011)
Selina Kyle (1 episode, 2012)
Alessia Falcone (1 episode, 2015)
Mugger (1 episode, 2017)
Pamela Isley / Poison Ivy (1 episode, 2018)
Detective Crispus Allen (1 episode, 2018)
Lucius Fox (1 episode, 2017)
Agent 47 (1 episode, 2017)
Jack (1 episode, 2015)
Secretary Veronica Cale (1 episode, 2016)
Agent Troughton (1 episode, 2016)
Detective Alan Rosario (1 episode, 2018)
Agent House (1 episode, 2016)
Bar GCPD #1 (1 episode, 2016)
Cadmus Agent #2 (1 episode, 2016)
Oswald Cobblepot / The Penguin (1 episode, 2018)
Bar GCPD #2 (1 episode, 2016)
Bar GCPD #3 (1 episode, 2016)
Joey (1 episode, 2017)
Emerald (1 episode, 2017)
Red Claw (1 episode, 2018)
James (1 episode, 2016)
Thorne Thug (1 episode, 2018)
Batgirl (1 episode, 2017)
Sasha (1 episode, 2017)
Tom (1 episode, 2017)
Murphy (1 episode, 2017)
Catwoman Fan (1 episode, 2017)
Nightwing Fan (1 episode, 2017)
Devon (1 episode, 2011)
Callgirl (1 episode, 2011)
Schoolgirl (1 episode, 2011)
Grace Gold (1 episode, 2011)
Chelsea McGinnis (1 episode, 2012)
Sofia (1 episode, 2012)
Crystal / Detective Renee Montoya (1 episode, 2012)
Cardona (1 episode, 2012)
Michelle Lorea (1 episode, 2012)
Lois Lane (1 episode, 2017)
Superman (unknown episodes)
Catwoman / Selina Kyle (unknown episodes)