Suggestions by @marian

Callum Blue

as Charles in The Doom Slayer

Score: +1

Callum Blue

as Charles in The Grimm

Score: +1

Winona Ryder

as Rosalee Calvert in The Grimm

Score: +1

David Harbour

as Monroe in The Grimm

Score: +1

Christian Cooke

as Kelly Burkhardt in The Doom Slayer

Score: +1

Emma Watson

as Mary-Kate Burkhardt in The Doom Slayer

Score: +1

James Frain

as Eric Renard in The Doom Slayer

Score: +2

Sasha Roiz

as Sean Renard in The Doom Slayer

Score: +1

Laura Vandervoort

as Diana Renard in The Doom Slayer

Score: +1

Louise Lombard

as Adalind Schade in The Doom Slayer

Score: +1

Kevin Bacon

as Jim Gordon in The Doom Slayer

Score: +1

Crispin Glover

as Nick Burkhardt in The Doom Slayer

Score: +1

James Frain

as Eric Renard in The Grimm

Score: +1

James Frain

as Eric Renard in Once Upon A Grimm

Score: +2

Danielle Campbell

as Hazel Mills in Crossover Grimm - Charmed - Once Upon a Time

Score: 0

Danielle Rose Russell

as Hazel Mills in Crossover Grimm - Charmed - Once Upon a Time

Score: +2

Nicole Kidman

as Elizabeth Lascelles in Grimm. The future

Score: +1

Jessica Lange

as Elizabeth Lascelles in Grimm. The future

Score: +1

Jonathan Tucker

as Robin Hood in Disney's Robin Hood

Score: +1

David Harbour

as Monroe in Grimm. The future

Score: +1