Suggestions by @optimistic_writer
11,166 suggestions
David Bowie
as Joker in Mario Bava's The Batman of Gotham City (1973)

Christopher Walken
as Batman in Mario Bava's The Batman of Gotham City (1973)
Ennio Morricone
as Composer in Mario Bava's The Batman of Gotham City (1973)

Roger Corman
as Producer in Mario Bava's The Batman of Gotham City (1973)
Mario Bava
as Director in Mario Bava's The Batman of Gotham City (1973)
Debra Winger
as Lois Lane in John Milius' Superman (1980)
Marlon Brando
as Lex Luthor in John Milius' Superman (1980)

Mickey Rourke
as Superman in John Milius' Superman (1980)

Basil Poledouris
as Composer in John Milius' Superman (1980)

Alexander Salkind
as Producer in John Milius' Superman (1980)
John Sayles
as Writer in John Milius' Superman (1980)

John Milius
as Director in John Milius' Superman (1980)
Lee Marvin
as Grand Moff Tarkin in Alejandro Jodorowsky's The Star Wars (1972)
Udo Kier
as Lord Vader in Alejandro Jodorowsky's The Star Wars (1972)

Tommy Chong
as C-3PO in Alejandro Jodorowsky's The Star Wars (1972)
Cheech Marin
as R2-D2 in Alejandro Jodorowsky's The Star Wars (1972)
Steve McQueen
as Han Solo in Alejandro Jodorowsky's The Star Wars (1972)
Jacqueline Bisset
as Princess Leia in Alejandro Jodorowsky's The Star Wars (1972)

Toshirō Mifune
as Obi-Wan "Ben" Kenobi in Alejandro Jodorowsky's The Star Wars (1972)

Malcolm McDowell
as Luke Skywalker in Alejandro Jodorowsky's The Star Wars (1972)