Suggestions by @fancaster238

Louis Jourdan

as James Marcus (old) in Resident Evil 0 (2002)

Christian Bale

as James Marcus (young) in Resident Evil 0 (2002)

Clancy Brown

as Albert Wesker in Resident Evil 0 (2002)

Tim Roth

as William Birkin in Resident Evil 0 (2002)

Tom Savini

as Enrico Marini in Resident Evil 0 (2002)

Simon Baker

as Richard Aiken in Resident Evil 0 (2002)

Scarlett Johansson

as Sherry Birkin in Resident Evil 2 (1998)

Timothy Olyphant

as Billy Coen in Resident Evil 0 (2002)

Alyson Hannigan

as Rebecca Chambers in Resident Evil 0 (2002)

Kevin Jarre

as Director in Resident Evil 0 (2002)

Danny Elfman

as Composer in Resident Evil: Code Veronica (2000)

Dan O'Bannon

as Writer in Resident Evil: Code Veronica (2000)

James Cameron

as Director in Resident Evil: Code Veronica (2000)

Cate Blanchett

as Alexia Ashford in Resident Evil: Code Veronica (2000)

David Tennant

as Alfred Ashford in Resident Evil: Code Veronica (2000)

Clancy Brown

as Albert Wesker in Resident Evil: Code Veronica (2000)

Hayden Christensen

as Steve Burnside in Resident Evil: Code Veronica (2000)

Hugh Jackman

as Chris Redfield in Resident Evil: Code Veronica (2000)

Eliza Dushku

as Claire Redfield in Resident Evil: Code Veronica (2000)

Gil Bellows

as Brad Vickers in Resident Evil (1996)