Joan Crawford
From Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Joan Crawford (1906–1977) aims an SAA revolver as Vienna in Johnny Guitar.
Joan Crawford can be seen using the following weapons in the following films:
Film
Gun | Character | Title | Note | Date |
---|---|---|---|---|
Smith & Wesson .32 Hand Ejector Third Model | Mildred Pierce | Mildred Pierce | Nickel-plated | 1945 |
Iver Johnson Revolver | Myra Hudson | Sudden Fear | 1952 | |
Single Action Army | Vienna | Johnny Guitar | 1954 |