Suggestions by @seangrant

Dudley Moore

as Jingle in The Year Without A Santa Claus (1984 Casting)

Bruce Glover

as Beni Gabor in The Mummy (1979)

William Finley

as Bernard Burns in The Mummy (1979)

Jessica Lange

as Evelyn Carnahan in The Mummy (1979)

Olivia Hussey

as Evelyn Carnahan in The Mummy (1979)

Lois Chiles

as Evelyn Carnahan in The Mummy (1979)

David Bowie

as Rick O'Connell in The Mummy (1979)

Nicholas Clay

as Rick O'Connell in The Mummy (1979)

Nicholas Clay

as Jonathan Carnahan in The Mummy (1979)

Sting

as Rick O'Connell in The Mummy (1979)

Michael Biehn

as Rick O'Connell in The Mummy (1979)

Christopher Plummer

as Rick O'Connell in The Mummy (1979)

Christopher Reeve

as Rick O'Connell in The Mummy (1979)

Clint Eastwood

as Rick O'Connell in The Mummy (1979)

Sylvester Stallone

as Rick O'Connell in The Mummy (1979)

Michael Beck

as Rick O'Connell in The Mummy (1979)

Jon Finch

as Jonathan Carnahan in The Mummy (1979)

John Hurt

as Jonathan Carnahan in The Mummy (1979)

Jonathan Pryce

as Jonathan Carnahan in The Mummy (1979)

Art Malik

as Ardeth Bay in The Mummy (1979)