Who is playing?
Mrs. Gray
Mr. Green
Miss Peacock
Professor Plum
Miss Scarlett
Colonel Mustard

I suspect:

Mrs. Gray Mr. Green Miss Peacock Professor Plum Miss Scarlett Colonel Mustard

In the

With the Rope Candlestick Revolver Knife Lead Pipe Wrench

I accuse:

Mrs. Gray Mr. Green Miss Peacock Professor Plum Miss Scarlett Colonel Mustard

In the Library Study Hall Lounge Dining Room Conservatory Kitchen Ballroom Billiard Room

With the Rope Candlestick Revolver Knife Lead Pipe Wrench