Mannequins, Dolls and Statues

La statue (1905)

The Slavey (1919) 

Walter Forde pretends to be a statue in Walter Makes a Movie (1922).

Dummy Ache (1936) 

Stowaway (1936)

Dusty Ermine (1936) 

Margaret Rutherford pretends to be a mannequin to elude police.

Maisie Was a Lady (1941)

A Life of Her Own (1950)

Poor But Beautiful (1957)

The Night Caller (1975)

Curse of the Pink Panther (1983)

Without a Clue (1988)

Krama mig (2005)

A Compilation

Film sources:

Without a Clue (1988)
Perry Mason ("The Case of the Crimson Kiss," 1957)
Splendor (1935)
Crimen (1960)
Poor But Beautiful (1957)
The Corpse Came C.O.D. (1947)