Suggestions by @trentpoyser
542 suggestions
Danny DeVito
as Perry White in Superboy
Mark Strong
as Lex Luthor in Superboy
Nicolas Cage
as Perry White in Superboy
Emily Alyn Lind
as Kara Kent/Kara Zor El in Superboy
Andy Samberg
as Mister Mxyzptlk in Superboy
Neil Patrick Harris
as Mister Mxyzptlk in Superboy
Jim Carrey
as Mister Mxyzptlk in Superboy
Simon Pegg
as Mister Mxyzptlk in Superboy
David Tennant
as Mister Mxyzptlk in Superboy
Bill Hader
as Mister Mxyzptlk in Superboy
James McAvoy
as Mister Mxyzptlk in Superboy
Lori Petty
as Leslie Willis in Superboy
Corey Stoll
as Lex Luthor in Superboy
James Woods
as Lex Luthor in Superboy
Steve Blum
as Lex Luthor in Superboy
Michael Rosenbaum
as Lex Luthor in Superboy
James Marsters
as Lex Luthor in Superboy
Billy Zane
as Lex Luthor in Superboy
Jason Isaacs
as Lex Luthor in Superboy
Kathy Bates
as Martha Kent in Superboy