She has played in several plays, television series and films, but is probably best known for her role as Captain Kathryn Janeway in the science fiction television series Star Trek: Voyager and the subsequent film Star Trek: Nemesis (2002).
Mulgrew also played in feature films as Throw Momma from the Train (1987), Round Numbers (1992) Perception (2005) and the lead role in the play Tea at Five. This piece is about the life of the legendary Katharine Hepburn.
- Obie Award-2008: won-Outstanding Performance-Iphigenia 2.0
- Broadway.com-2003: won-Audience Award for Favorite Solo Performance-Tea at Five
- Carbonell Award-2004: won-Best Actress (Touring, Independent Production-Cuillo Centre)-Tea at Five
- Drama League Award-2007: Nominated-Distinguished Performance-Our Leading Lady
- Nominated-Golden Globe-1980: Best TV Actress in a Drama-Mrs. Columbo
- Won-Golden Satellite Award Best Performance by an-1998: Actress in a Television Series-Star Trek: Voyager
- Lucille Lortel Award-2003: nominated-Outstanding Lead Actress-Tea at Five
- Outer Critics Circle-2003: Nominated-Outstanding Solo Performance-Tea at Five
- Saturn Award:
- 1998: won-Best Genre TV Actress-Star Trek: Voyager
- 1999: Nominated-Best Genre TV Actress-Star Trek: Voyager
- 2000: nominated-Best Genre TV Actress-Star Trek: Voyager
- 2001: nominated-Best Actress on TV-Star Trek: Voyager
- Tracey Humanitarian Award-1992: Received in recognition of Murphy Brown episode On The Rocks