List of characters in Crisis on Infinite Arrowverses

Because I'm such a nerd, I kept track of all of the Arrowverse characters who appeared in the recent Crisis crossover. Legion tally: 1 Legionnaire and 1 ancestor appeared, vs 2 Legionnaires and 1 maybe who did not. Legionnaires or adjacent characters are in yellow.

Arrowverse heroes who DID appear in the crossover:

• Atom (Legends of Tomorrow) – Brandon Routh
• Atom II (Legends of Tomorrow) – Osric Chau
• Batwoman – Ruby Rose
• Black Canary II (Arrow) – Katie Cassidy
• Black Canary III (Arrow) – Juliana Harkavy
• Brainiac 5 (Supergirl) – Jesse Rath
• Captain Cold (Legends of Tomorrow) – Wentworth Miller
• Constantine, John (Constantine; Legends of Tomorrow) – Matt Ryan
• Dreamer (Supergirl) – Nicole Maines
• Elongated Man (Flash) – Hartley Sawyer
• Flash – Grant Gustin
• Flash – John Wesley Shipp
• Green Arrow (Arrow) – Stephen Amell
• Green Arrow II (Arrow) – Katherine McNamara
• Green Arrow II (Arrow) – Katherine McNamara
• Harbinger (Arrow) - Audrey Marie Anderson
• Heat Wave (Legends of Tomorrow) – Dominic Purcell
• Hex, Jonah (Legends of Tomorrow) – Johnathon Schaech
• Killer Frost (Flash) – Danielle Panabaker
• Martian Manhunter (Supergirl) – David Harewood
• Pariah (Flash) – Tom Cavanagh
• Ray (Arrowverse) – Russell Tovey
• Spartan (Arrow) – David Ramsey
• Steel (Legends of Tomorrow) – Nick Zano
• Supergirl – Melissa Benoist
• Superman (Supergirl) – Tyler Hoechlin
• Vibe (Flash) – Carlos Valdes
• White Canary (Legends of Tomorrow) – Caity Lotz
• Wild Dog (Arrow) – Rick Gonzalez

Arrowverse heroes who did NOT appear in the Crisis crossover:

• Al Gul, Nyssa (Arrow) – Katrina Law
• Arsenal (Arrow) – Colton Haynes
• Breacher (Flash) – Danny Trejo
• Clayton, William (Arrow) – Ben Lewis
• Commander Steel (Legends of Tomorrow) – Matthew MacCaull
• Diggle, JJ (Arrow) – Charlie Barnett
• Dr Mid-Nite (Legends of Tomorrow) – Kwesi Ameyaw
• Firestorm I (Legends of Tomorrow) – Robbie Amell /Victor Garber
• Firestorm II (Legends of Tomorrow) – Franz Drameh/Victor Garber
• Guardian (Supergirl) – Mechad Brooks
• Gypsy (Flash) – Jessica Camacho
• Hawkgirl (Legends of Tomorrow) – Ciara Renée
• Hawkman (Legends of Tomorrow) – Falk Hentschel
• Hawke, Connor (Arrow) – Joseph David-Jones 
• Human Target (Arrow) – Wil Traval
• Hunter, Rip (Legends of Tomorrow) – Arthur Darvill
• Jesse Quick (Flash) – Violett Beane
• Katana (Arrow) – Rila Fukushima
• Kid Flash (Flash) – Keiynan Lonsdale
• Miss Martian (Supergirl) – Sharon Leal
• Mon-El (Supergirl) – Chris Wood
• Mr Terriffic (Arrow) – Echo Kellum
• Obsidian (Legends of Tomorrow) – Dan Payne/Lance Henricksen
• Overwatch (Arrow) – Emily Bett Rickards
• Ragman (Arrow) – Joe Dinicol
• Ramirez, Zoe (Arrow) – Andrea Sixtos
• Saturn Girl (Supergirl) – Amy Jackson
• Speedy (Arrow) – Willa Holland
• Stargirl (Legends of Tomorrow) – Sarah Grey
• Tomaz, Zari (Legends of Tomorrow) – Tala Ashe
• Vixen I (Legends of Tomorrow) – Megalyn Echikunwoke
• Vixen II (Legends of Tomorrow) – Maisie Richardson-Sellers
• Wildcat (Arrow) – J. R. Ramirez
• Wu, Mona (Legends of Tomorrow) – Ramona Young
• XS (Flash) – Jessica Parker Kennedy

Then there are those characters who have appeared in any TV show or movie and were based on DC characters, who DID appear in the crossover:

• Batman (1989) – Michael Keaton (a character from his movie appeared, that's close enough)
• Batman (Kingdom Come) – Kevin Conroy
• Black Lightning – Cress Williams
• Crazy Jane (Doom Patrol) – Diane Guerrero
• Cyborg (Doom Patrol) – Joivan Wade
• Dove II (Titans) – Minka Kelly
• Dr Mid-Nite (Stargirl) – Henry Thomas 
• Elasti-Girl (Doom Patrol) – April Bowlby
• Flash (2017) – Ezra Miller
• Green Lantern/Hal Jordan (2011) – Ryan Reynolds
• Hawk (Titans) – Alan Ritchson
• Hourman (Stargirl) – Lou Ferrigno, Jr. 
• Huntress (Birds of Prey) – Ashley Scott
• Lane, Lois (Smallville) – Erica Durance
• Lucifer – Tom Ellis
• Negative Man (Doom Patrol) – Dwain Murphy/Matt Bomer
• Oracle (Birds of Prey) – Dina Meyer
• Raven (Titans) – Teagan Croft
• Robin (1966) – Burt Ward
• Robin II (Titans) – Curran Walters
• Robotman (Doom Patrol) – Jake Michaels/Brendan Fraser
• Spectre – Stephen Lobo
• Starfire (Titans) – Anna Diop
• Stargirl – Brec Bassinger
• Stripsey/S.T.R.I.P.E. (Stargirl) – Luke Wilson 
• Superman (Kingdom Come) – Brandon Routh
• Superman (Smallville) – Tom Welling
• Swamp Thing – Derek Mears
• Wildcat (Stargirl) – Brian Stapf 

And to round it out, those TV/movie heroes who did NOT appear, not counting actors who are deceased:

• Aqualad (Titans) – Drew Van Acker
• Aquaman – Justin Hartley
• Aquaman (2017) – Jason Momoa
• Aquaman (Smallville) – Alan Ritchson
• Atom (Justice League) – John Kassir 
• Atom (Legends of the Super-Heroes) – Alfie Wise 
• Batgirl (1997) – Alicia Silverstone
• Batman (1995) – Val Kilmer
• Batman (1997) – George Clooney
• Batman (2005) – Christian Bale
• Batman (2016) – Ben Affleck
• Batman (2021) – Robert Pattinson
• Batman (Gotham) – David Mazouz
• Batman (Titans) – Iain Glen
• Batson, Billy (2019) – Asher Angel
• Batson, Billy (Shazam/Isis Hour) – Michael Gray
• Black Canary (2020) – Jurnee Smollett-Bell
• Black Canary (Birds of Prey) – Rachel Skarsten
• Black Canary (Legends of the Super-Heroes) – Danuta 
• Black Canary (Smallville) – Alaina Huffman
• Blue Devil (Swamp Thing) – Ian Ziering
• Bromfeld, Mary (2019) – Grace Fulton
• Captain Marvel (Legends of the Super-Heroes) – Garrett Craig 
• Captain Marvel (Shazam/Isis Hour) – Jackson Bostwick
• Catwoman – Julie Newmar
• Caulder, Niles (Doom Patrol) – Timothy Dalton
• Celsius (Doom Patrol) – Jasmine Kaur/Madhur Jaffrey
• Changeling (Titans) – Ryan Potter
• Constantine, John (2005) – Keanu Reeves
• Cyborg (2017) – Ray Fisher
• Dr Fate (Smallville) – Brent Stait
• Fever (Doom Patrol) – Hina Abdullah
• Fire (Justice League) – Michelle Hurd 
• Flash (Justice League) – Kenny Johnston 
• Flash (Legends of the Super-Heroes) – Rod Haase 
• Flash (Smallville) – Kyle Gallner
• Flex Mentallo (Doom Patrol) – Devan Chandler Long
• Freeman, Freddy (2019) – Jack Dylan Grazer
• Green Arrow (Smallville) – Justin Hartley
• Green Lantern/Guy Gardner (Justice League) – Matthew Settle
• Green Lantern/Hal Jordan (Legends of the Super-Heroes) – Howard Murphy 
• Hawkman (Legends of the Super-Heroes) – Bill Nuckols 
• Hawkman (Smallville) – Michael Shanks
• Hex, Jonah (2010) – Josh Brolin
• Human Target (2010 TV) – Mark Valley
• Human Target (1992 TV) – Rick Springfield
• Huntress (2020) – Mary Elizabeth Winstead
• Huntress (Legends of the Super-Heroes) – Barbara Joyce 
• Ice (Justice League) – Kimberly Oja 
• Isis – Joanna Cameron
• Jericho (Titans) – Chella Man
• Kent, Conner (Titans) – Joshua Orpin
• Lane, Lois (2016) – Amy Adams
• Lane, Lois (Adventures of Superman) – Phyllis Coates
• Lane, Lois (Lois & Clark) – Teri Hatcher
• Lang, Lana (Smallville) – Kristen Kreuk
• Lang, Lana (Superboy) – Stacy Haiduk
• Lobo (Krypton) – Emmett J. Scanlon
• Lodestone (Doom Patrol) – Lesa Wilson
• Martian Manhunter (Smallville) – Phil Morris
• Mary Shazam (2019) – Michelle Borth
• Mento (Titans) – Will Kemp/Dave Bielawski
• Mera (2017) – Amber Heard
• Nightwing (Titans) – Brenton Thwaites
• Pennyworth, Alfred (Pennyworth) – Jack Bannon
• Phantom Stranger (Swamp Thing) – Macon Blair
• Quinn, Harley (2016) – Margot Robbie
• Quinn, Harley (Birds of Prey) – Mia Sara
• Robin (1997) – Chris O’Donnell
• Shazam (2019) – Zachary Levi
• Shazam Jr (2019) – Adam Brody
• Stargirl (Smallville) – Britt Irvin
• Starman (Stargirl) – Joel McHale
• Steel (1997) – Shaquille O’Neal
• Strange, Adam (Krypton) – Shaun Sipos
• Superboy – Gerard Christopher
• Superboy – John Haymes Newton
• Supergirl (1984) – Helen Slater
• Supergirl (Smallville) – Laura Vandervoort
• Superman (2013) – Henry Cavill
• Superman (Lois & Clark) – Dean Cain
• Tempest (Doom Patrol) – Alimi Ballard
• Trevor, Steve (1975 TV) – Lyle Waggoner
• Trevor, Steve (2017) – Chris Pine
• Wonder Girl (Titans) – Conor Leslie
• Wonder Girl (Wonder Woman) – Debora Winger
• Wonder Woman (1974 TV) – Cathy Lee Crosby
• Wonder Woman (1975 TV) – Lynda Carter (appeared in the comic, I don't count that for this list)
• Wonder Woman (2011 TV) – Adrianne Palicki
• Wonder Woman (2016) – Gal Gadot

Maybe we'll see them in the next Crisis!