Tim Curry
Wadsworth
Acting
Eileen Brennan
Mrs. Peacock
Acting
Madeline Kahn
Mrs. White
Acting
Christopher Lloyd
Professor Plum
Acting
Michael McKean
Mr. Green
Acting
Martin Mull
Colonel Mustard
Acting
Lesley Ann Warren
Miss Scarlet
Acting
Colleen Camp
Yvette
Acting
Lee Ving
Mr. Boddy
Acting
Bill Henderson
The Cop
Acting
Jane Wiedlin
The Singing Telegram Girl
Acting
Jeffrey Kramer
The Motorist
Acting
Kellye Nakahara
The Cook
Acting
Will Nye
Cop #1
Acting
Rick Goldman
Cop #2
Acting
Don Camp
Cop #3
Crew
Howard Hesseman
The Chief (uncredited)
Acting