Suggestions by @marian

Helen Mirren

as Skadi in Norse Mythology

Gary Oldman

as Fenrir in Norse Mythology

Ralph Fiennes

as Jormungandr in Norse Mythology

Helena Bonham Carter

as Hel in Norse Mythology

John Glover

as Njord in Norse Mythology

Eva Green

as Aphrodite in The Iliad

Maggie Q

as Hera in Percy Jackson & the Olympians

Dylan McDermott

as Zeus in Percy Jackson and the Olympians

Dylan McDermott

as Zeus in Hercules

Gary Oldman

as Cinderella's father in Fairytales

Maggie Smith

as Fairy Godmother in Fairytales

Julie Walters

as Lady Tremaine in Fairytales

Emma Watson

as Drizella in Fairytales

Bonnie Wright

as Anastasia in Fairytales

Julie Walters

as Lady Tremaine in Cinderella

Bonnie Wright

as Anastasia in Cinderella

Emma Watson

as Drizella in Cinderella

Emma Watson

as Drizzy in Disney Princesses

August Wittgenstein

as Asmodeus in Charmed

Birte Hanusrichter

as Jane Porter in Tarzan