Suggestions by @gregray
190 suggestions
Shelley Winters
as Ma Parker (Earth-66) in Worlds of DC
Roddy McDowall
as The Bookworm (Earth-66) in Worlds of DC
Marie Windsor
as Nellie Majors (Earth-66) in Worlds of DC
Reginald Denny
as Commodore Schmidlapp (Earth-66) in Worlds of DC
Almira Sessions
as Miss Bacharach (Adventures of Superman) in Worlds of DC
Sterling Holloway
as Oscar Quinn (Adventures of Superman) in Worlds of DC
Everett Glass
as Professor Lucerne (Adventures of Superman) in Worlds of DC
Sean William Scott
as Michael Jon Carter in Characters that should have been in the DCEU
Ida Lupino
as Dr. Cassandra Spellcraft (Earth-66) in Worlds of DC
Sirena Irwin
as Holly Quinn (Earth-66) in Worlds of DC
John DeSantis
as Cyrus Gold (Earth-167) in Worlds of DC
Sebastian Spence
as Ted Kord (Earth-167) in Worlds of DC
James Kidnie
as Amos Fortune (Earth-167) in Worlds of DC
Tom Welling
as Clark Luthor (Earth-167) in Worlds of DC
Teri Hatcher
as Ella Lane (Earth-167) in Worlds of DC
Lindsay Hartley
as Harriet (Earth-167) in Worlds of DC
Elias Toufexis
as Emil LaSalle (Earth-167) in Worlds of DC
Michael Daingerfield
as Gordon Godfrey (Earth-167) in Worlds of DC
Christine Willes
as Granny Goodness (Earth-167) in Worlds of DC
Gil Bellows
as Maxwell Lord (Earth-167) in Worlds of DC