Suggestions by @gabriellee1

Gina Gershon

as Catwoman (Matsudaverse) in Two Batmen from Two Earths

Nika Futterman

as Catwoman (The Brave and the Bold) in Two Batmen from Two Earths

Dee Bradley Baker

as Felix Faust (The Brave and the Bold) in Two Batmen from Two Earths

Dee Bradley Baker

as Clock King (The Brave and the Bold) in Two Batmen from Two Earths

Kevin Michael Richardson

as Black Manta (The Bold and the Bold) in Two Batmen from Two Earths

Greg Ellis

as Gentleman Ghost (The Brave and the Bold) in Two Batmen from Two Earths

John DiMaggio

as Gorilla Grodd (The Brave and the Bold) in Two Batmen from Two Earths

Hynden Walch

as Harley Quinn (Matsudaverse) in Two Batmen from Two Earths

Mitch Pileggi

as Commissioner Jim Gordon (Matsudaverse) in Two Batmen from Two Earths

Ming-Na Wen

as Ellen Yin (Matsudaverse) in Two Batmen from Two Earths

James Sie

as The Atom (The Brave and the Bold) in Two Batmen from Two Earths

Robert Patrick

as Hawkman (Matsudaverse) in Two Batmen from Two Earths

Chris Hardwick

as Green Arrow (Matsudaverse) in Two Batmen from Two Earths

Dermot Mulroney

as Green Lantern (Matsudaverse) in Two Batmen from Two Earths

Charlie Schlatter

as The Flash (Matsudaverse) in Two Batmen from Two Earths

Tara Strong

as Huntress (The Brave and the Bold) in Two Batmen from Two Earths

Dorian Harewood

as Martian Manhunter (Matsudaverse) in Two Batmen from Two Earths

George Newbern

as Superman (Matsudaverse) in Two Batmen from Two Earths

Bill Fagerbakke

as Ronnie Raymond (The Brave and the Bold) in Two Batmen from Two Earths

Tyler James Williams

as Firestorm (The Brave and the Bold) in Two Batmen from Two Earths