Suggestions by @scarecrow13
4,077 suggestions
Rivers Cuomo
as Seymour Krelboyn in Little Shop of Horrors (1996)

John Stamos
as Dr. Orin Scrivello in Little Shop of Horrors (1996)

Dom DeLuise
as Mr. Mushnik in Little Shop of Horrors (1996)

Jim Carrey
as Arthur Denton in Little Shop of Horrors (1996)

Isaac Hayes
as Audrey II (voice) in Little Shop of Horrors (1996)

Kristin Chenoweth
as Audrey in Little Shop of Horrors (1996)

Colin Hanks
as Ben Caxton in Stranger in a Strange Land

Casper Van Dien
as Captain Willem van Tromp in Stranger in a Strange Land
Hugh Laurie
as James Oliver Cavendish in Stranger in a Strange Land
Michael Vartan
as Stuart Rene LaJoie in The Moon is a Harsh Mistress

Steven Michael Quezada
as Juan Alvarez in The Moon is a Harsh Mistress

Terry Crews
as Howard Wright in The Moon is a Harsh Mistress

Basil Hoffman
as Grandpaw Davis in The Moon is a Harsh Mistress

Masi Oka
as Clayton Watenab in The Moon is a Harsh Mistress
Timothée Chalamet
as Valentine Michael Smith in Stranger in a Strange Land
Steven Seagal
as Yogi Victor in King of the Hill
Steve Martin
as Conductor Nolan in King of the Hill

Penn Jillette
as Bishop Digby in Stranger in a Strange Land

Marwan Kenzari
as Dr. "Stinky" Mahmoud in Stranger in a Strange Land

Kelsey Grammer
as Senator Boone in Stranger in a Strange Land