Mary Steenburgen
Mary Nell Steenburgen (born February 8, 1953) is an American actress, comedian, singer, and songwriter. After studying at New York's Neighborhood Playhouse in the 1970s, she made her professional acting debut in the Western comedy film Goin' South (1978). Steenburgen went on to earn critical acclaim for her role in Time After Time (1979) and Jonathan Demme's comedy-drama film Melvin and Howard (1980), for which she won the Academy Award for Best Supporting Actress.
Movies
Powder
1995
as Jessie Caldwell
Parenthood
1989
as Karen Buckman
Dracula
1931
as Kate Montgomery
Night at the Museum
2006
as Helen Girardi
Back to the Future Part III
1990
as Clara Clayton
Step Brothers
2008
as Nancy Huff
Philadelphia
1993
as Belinda Conine
What's Eating Gilbert Grape
1993
as Betty Carver
Life as a House
2001
as Colleen Beck
Four Christmases
2008
as Marilyn
Elf
2003
as Emily
The Proposal
2009
as Grace Paxton
The Brave One
2007
as Carol
Last Vegas
2013
as Diana Boyle
Nixon
1995
as Hannah Nixon
Ragtime
1981
as Mother
I Am Sam
2001
as Dr. Blake
Web Series
Back to the Future
1991
as Clara Clayton (voice)