Goldie Hawn was under the stage in the movie here.

Foul Play (1978 film)

Foul Play is a 1978 American comic mystery/thriller film written and directed by Colin Higgins, and starring Goldie Hawn, Chevy Chase, Dudley Moore, Burgess Meredith, Eugene Roche, Rachel Roberts, Brian Dennehy and Billy Barty. In it, a recently divorced librarian is drawn into a mystery when a stranger hides a roll of film in a pack of cigarettes and gives it to her for safekeeping.

• http://en.wikipedia.org/wiki/Foul Play (1978 film)
• Gordon, W. A., 2002, The Ultimate Hollywood Tour Book, North Ridge Books, Lake Forest, CA, 272 p.