Suggestions by @hitchhikers

Douglas Adams

as Writer in Hitchhiker's

Garth Jennings

as Director in Hitchhiker's

Michelle Trachtenberg

as Casey Carlyle in Hitchhiker's

David Oyelowo

as Willie in Hitchhiker's

Shane McDermott

as Hitchhiker in Hitchhiker's

Thomas Lennon

as Eddie in Hitchhiker's

Whoopi Goldberg

as Novel in Hitchhiker's

Joan Cusack

as Joan Carlyle in Hitchhiker's

Dana Ivey

as Gracie Higginbotham in Hitchhiker's

Nelsan Ellis

as Reporter - - in Hitchhiker's

Aunjanue Ellis-Taylor

as Reporter in Hitchhiker's

David Koechner

as Buck Dent in Hitchhiker's

Julie Hagerty

as Dorothy Dent in Hitchhiker's

Brianna Hildebrand

as Brynn in Hitchhiker's

Russell Brand

as Vogon Jeltz in Hitchhiker's

John Malkovich

as Humma Kaluva in Hitchhiker's

Stephen Fry

as Narrator in Hitchhiker's

Helen Mirren

as Deep Thought in Hitchhiker's

Alan Rickman

as Marvin - in Hitchhiker's

Warwick Davis

as Marvin in Hitchhiker's