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I Remember Mama (1948) - Barbara Bel Geddes
I Remember Mama (1948) - Ellen Corby
I'm Not There (2007) - Cate Blanchett
Imitation of Life (1959) - Juanita Moore
Imitation of Life (1959) - Susan Kohner
In Old Chicago (1937) - Alice Brady
In and Out (1997) - Joan Cusack
In the Bedroom (2001) - Marisa Tomei
In the Name of the Father (1993) - Emma Thompson
Inside Daisy Clover (1965) - Ruth Gordon
Inside Moves (1980) - Diana Scarwid
Interiors (1978) - Maureen Stapleton
Iris (2001) - Kate Winslet
Read more about this topic: List Of Nominees For The Academy Award For Best Supporting Actress (by Film Title)