Actress:
Untitled Battlestar Galactica TV Special (2007) (TV) (pre-production) .... President Laura Roslin
"Battlestar Galactica" .... President Laura Roslin / ... (53 episodes, 2004-2007)
- Crossroads: Part 2 (2007) TV Episode .... President Laura Roslin
- Crossroads: Part 1 (2007) TV Episode .... President Laura Roslin
- The Son Also Rises (2007) TV Episode .... President Laura Roslin
- Maelstrom (2007) TV Episode .... President Laura Roslin
- Dirty Hands (2007) TV Episode .... President Laura Roslin
(48 more)
Mrs. Harris (2005) (TV) .... Vivian Schulte
Crazy Like a Fox (2004) .... Amy Banks
Battlestar Galactica (2003) (TV) .... Laura Roslin
Nola (2003) .... Margaret Langworthy
The Locket (2002) (TV) .... Helen Staples
"Touched by an Angel" .... Sister Theodore (1 episode, 2002)
- Minute by Minute (2002) TV Episode .... Sister Theodore
"ER" .... Eleanor Carter (5 episodes, 2001-2002)
- A Simple Twist of Fate (2002) TV Episode .... Eleanor Carter
- Damage Is Done (2002) TV Episode .... Eleanor Carter
- A River in Egypt (2002) TV Episode .... Eleanor Carter
- Beyond Repair (2002) TV Episode .... Eleanor Carter
- Four Corners (2001) TV Episode .... Eleanor Carter
Donnie Darko (2001) .... Rose Darko
... aka Donnie Darko: The Director's Cut (USA: director's cut)
Chestnut Hill (2001) (TV) .... Jane Eastman
"That's Life" .... Jules O'Grady (1 episode, 2000)
- Bad Hair Week (2000) TV Episode .... Jules O'Grady
For All Time (2000) (TV) (as Mary Mcdonnell) .... Laura Brown
A Father's Choice (2000) (TV) .... Susan Shaw
"Ryan Caulfield: Year One" (1999) TV Series .... Rachel Caulfield (unknown episodes)
Mumford (1999) .... Althea Brockett
Replacing Dad (1999) (TV) .... Linda Marsh
Behind the Mask (1999) (TV) .... Mary Shushan
Spanish Fly (1998) .... Voice of Zoe's Mother
... aka Spanish Fly (France)
Evidence of Blood (1998) (TV) .... Dora Overton
You Can Thank Me Later (1998) .... Diane
12 Angry Men (1997) (TV) .... Judge
Two Voices (1997) (TV) .... Sybil Goldrich
... aka Two Small Voices (USA)
Independence Day (1996) .... First Lady Marilyn Whitmore
... aka ID4 (USA: promotional abbreviation)
Mariette in Ecstasy (1996) .... Prioress
Woman Undone (1996) (TV) .... Teri Hansen
"High Society" .... Dorothy 'Dott' Emerson (2 episodes, 1995-1996)
- I Found My Thrill on Nancy Garver Hill (1996) TV Episode .... Dorothy 'Dott' Emerson
- Finnigan's Rainbow (1995) TV Episode .... Dorothy 'Dott' Emerson
Blue Chips (1994) .... Jenny Bell
The American Clock (1993) (TV) .... Rose Baumler
... aka Arthur Miller's The American Clock
Passion Fish (1992) .... May-Alice Culhane
Sneakers (1992) .... Liz
Grand Canyon (1991) .... Claire
O Pioneers! (1991) (TV) .... Alexandra Bergson
Dances with Wolves (1990) .... Stands With A Fist
Tiger Warsaw (1988) .... Paula Warsaw
... aka The Tiger
Matewan (1987) .... Elma Radnor
Courage (1986) (TV) .... Gabriella Estrada
"E/R" (1984) TV Series .... Dr. Eve Sheridan #2 (unknown episodes, 1984-1985)
Garbo Talks (1984) .... Lady Capulet
... aka Garbo Talks! (UK)
Money on the Side (1982) (TV) .... Terri
"As the World Turns" (1956) TV Series .... Claudia Colfax (unknown episodes, 1980)
Miscellaneous Crew:
Dances with Wolves: The Creation of an Epic (2003) (V) (special thanks)
Self:
The WIN Awards 2006 (2006) (TV) .... Herself
Sci Fi Inside: Sci Fi Friday (2005) (TV) .... Herself/Laura Roslin
05 Spaceys (2005) (TV) .... Herself
'Donnie Darko': Production Diary (2004) (V) .... Herself
The Making of 'Sneakers' (2003) (V) .... Herself
Dances with Wolves: The Creation of an Epic (2003) (V) .... Herself
Amargosa (2000) (voice) .... Narrator
"The American Experience" .... Narrator (1 episode, 1999)
- Fly Girls (1999) TV Episode (voice) .... Narrator
"HBO First Look" .... Herself (1 episode, 1996)
- Independence Day (1996) TV Episode .... Herself
The Making of 'Independence Day' (1996) (TV) .... Herself
The 65th Annual Academy Awards (1993) (TV) .... Herself - Nominee: Best Actress in a Leading Role
The 63rd Annual Academy Awards (1991) (TV) .... Herself - Nominee: Best Actress in a Supporting Role
The Making of 'Dances with Wolves' (1989) (TV) .... Herself
Archive Footage:Independence Day: The ID4 Invasion (1996) (V) .... Herself/Marilyn Whitmore