Suggestions by @gabriellee1

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

Mae Whitman

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

Crawford Wilson

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

Jennifer Hale

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

Grey DeLisle

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

Nicholas Guest

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

Tom Everett Scott

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

James Arnold Taylor

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

Grey DeLisle

as Black Canary (The Brave and the Baold) in Two Batmen from Two Earths

FAKE

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

Will Friedle

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

John DiMaggio

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

James Arnold Taylor

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

Ever Anderson

as Batgirl (Matsudaverse) in Two Batmen from Two Earths

Sasha Knight

as Robin (Matsudaverse) in Two Batmen from Two Earths

Alastair Duncan

as Alfred Pennyworth (Matsudaverse) in Two Batmen from Two Earths

Kevin Michael Richardson

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