Suggestions by @Jeshisthename

Harry Lloyd

as Inspector Alphonse Brown in 🅲🅻🆄🅴

Peter Serafinowicz

as Professor Victor Plum in 🅲🅻🆄🅴

Emma Mackey

as Miss Kasandra Scarlett in 🅲🅻🆄🅴

Shirley Henderson

as Mrs. Henrietta Peacock in 🅲🅻🆄🅴

Emma Thompson

as Mrs. Henrietta Peacock in 🅲🅻🆄🅴

Hannah Waddingham

as Mrs. Blanche White in 🅲🅻🆄🅴

Paul Whitehouse

as Colonel Algernon Mustard in 🅲🅻🆄🅴

Goran Višnjić

as Dr. John Black in 🅲🅻🆄🅴

Colman Domingo

as Reverend Jacob Green in 🅲🅻🆄🅴

Bobby Krlic

as Composer in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Rob Delaney

as Calvin in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Zoe Lister-Jones

as Christina in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Daisy Edgar-Jones

as Mary in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Hugh Bonneville

as Dr. Louis Jaffe in Ⓑⓡⓐⓩⓘⓛ

Stephen Graham

as Spoor in Ⓑⓡⓐⓩⓘⓛ

Ti West

as Director in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Kyle Gallner

as Joseph in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Alan Resnick

as Writer in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Stanley Tucci

as The Salesman in 🅃🄷🄴 🄲🄾🄵🄵🄴🄴 🅃🄰🄱🄻🄴

Michael Peña

as Mr. Gonzalez in 𝘼 𝘾𝙤𝙣𝙛𝙚𝙙𝙚𝙧𝙖𝙘𝙮 𝙤𝙛 𝘿𝙪𝙣𝙘𝙚𝙨