Suggestions by @smhc2005

Victor Buono

as King Tut in Batman '66 Season Six Ideas

Score: +1

William Shatner

as Two Face in Batman '66 Season Six Ideas

Score: +1

Charles Nelson Reilly

as Music Meister in Batman '66: Season Three and a Half

Score: +1

Johnny Carson

as Celebrity Camoes in Batman '66 Season Six Ideas

Score: +1

Goldie Hawn

as Harley Quinn in Batman '66 Season Six Ideas

Score: +1

Art Carney

as The Archer in Batman '66 Season Six Ideas

Score: +1

Stafford Repp

as Chief O'Hara in Batman '66: The Return of the League of Assassins

Score: +1

Neil Hamilton

as Commissioner Gordon in Batman '66: The Return of the League of Assassins

Score: +1

Mark Goddard

as Jason Bard in Batman '66: The Return of the League of Assassins

Score: +1

Janice Rule

as Batwoman in Batman '66: The Return of the League of Assassins

Score: +1

Madge Blake

as Aunt Harriet Cooper in Batman '66: The Return of the League of Assassins

Score: +1

Yvonne Craig

as Batgirl in Batman '66: The Return of the League of Assassins

Score: +1

Burt Ward

as Robin in Batman '66: The Return of the League of Assassins

Score: +1

Burt Ward

as Dick Grayson in Batman '66: The Return of the League of Assassins

Score: +1

Yvonne Craig

as Barbara Gordon in Batman '66: The Return of the League of Assassins

Score: +1

Alan Napier

as Alfred Pennyworth in Batman '66: The Return of the League of Assassins

Score: +1

Frank Gorshin

as The Riddler in Batman '66 Season Six Ideas

Score: +1

Eartha Kitt

as Catwoman III in Batman '66 Season Six Ideas

Score: +1

Lee Meriwether

as Catwoman II in Batman '66 Season Six Ideas

Score: +1

Burgess Meredith

as The Penguin in Batman '66 Season Six Ideas

Score: +1