Maryann Plunkett Maryann Plunkett ( born ) is the actress who portrayed Lieutenant Commander Susanna Leijten in the fourth season episode in . She filmed this episode between Wednesday and Friday on Paramount Stage 8 , 9 , and 16 . A distressed Starfleet uniform worn by her in this episode was sold off on the It ' s A Wrap ! sale and auction on eBay . In she voiced the part of Lieutenant Terra Spiro in the " Captain Sulu Adventures " audiobook story " Cacophony " . Personal and stage career . Plunkett was born in Lowell , Massachusetts , graduated from the University of New Hampshire , and is married to actor Jay O . Sanders since 1991 . The couple has one son , Jamie Sanders , born in 1994 . Plunkett worked as replacement in the Broadway plays " Agnes of God " ( 1982 - 1983 ) and " Sunday in the Park with George " ( 1984 - 1985 ) before she landed the lead role of Sally Smith in " Me and My Girl " . She played this part between 1986 and 1989 and received a Drama Desk Award nomination for Outstanding Actress in a Musical in 1987 and won a Tony Award for Best Actress in a Musical in the same year . Further Broadway plays include " The Crucible " ( 1991 - 1992 , with Fritz Weaver ) , " A Little Hotel on the Side " ( 1992 ) , " The Master Builder " ( 1992 ) , " The Seagull " ( 1992 - 1993 ) , the title role in " Saint Joan " ( 1993 ) , and more recently " A Man for All Seasons " ( 2008 ) at the American Airlines Theater in New York City . Television . Soon after her Broadway debut , Plunkett started to work for television . She made guest appearances in episodes of " Miami Vice " ( 1984 ) , " American Playhouse " ( 1985 , with Shay Duffin ) , " A Man Called Hawk " ( 1989 , starring Avery Brooks and directed by Winrich Kolbe ) , " Matlock " ( 1990 , with Raymond Cruz , David Froman , John Hancock , and Mark Moses ) , and " L . A . Law " ( 1990 , with Corbin Bernsen , Larry Drake , Nicolas Surovy , Jennifer Hetrick , Craig Wasson , Diana Muldaur , Warren Munson , and Megan Parlen ) . She also had supporting roles in the television movies " The Littlest Victims " ( 1989 ) , " Deception : A Mother ' s Secret " ( 1991 , with Steven Weber and Charles Emmett ) , and " Breaking the Silence " ( 1992 , with Fran Bennett , Jill Jacobson , Kevin Conway , and Frank Novak ) . Beside three different roles in three episodes of the hit television series in 1996 ( with Carolyn McCormick ) , 1998 , and 2002 ( with Lynnda Ferguson ) , Plunkett worked on episodes of " Murder , She Wrote " ( 1995 , with Robert Foxworth , Scott Marlowe , Nicolas Surovy , and Leslie Bevis ) , " Damages " ( 2010 ) , " The Good Wife " ( 2010 ) , and " Rubicon " ( 2010 , with Concetta Tomei ) . Film . Plunkett made her feature film debut in the 1997 comedy " Fools Rush In " with Josh Cruze , Christopher Michael , Andrew Hill Newman , and Leslie Silva . The following years she appeared in the drama " Claire Dolan " ( 1998 , with Colm Meaney and John Doman ) , the music drama " Center Stage " ( 2000 , with Jeff Hayenga , Zoe Saldana , Donna Murphy , and Scottie Thompson ) , the drama " The Squid and the Whale " ( 2005 ) , the drama " Brooklyn Lobster " ( 2005 ) , the thriller " The Night Listener " ( 2006 , with Becky Ann Baker ) , and the drama " Peter and Vandy " ( 2009 ) . More recently she worked on the drama " The Company Men " ( 2010 , with John Doman ) , the romance " Blue Valentine " ( 2010 , with John Doman and Mike Vogel ) , and the comedy " Fairhaven " ( 2012 ) .