Elizabeth Dennehy Elizabeth Dennehy is the actress who portrayed Commander Shelby in the episodes and . She was interviewed for the article " Borg Buster ! " by David Bossom in the issue of " Star Trek Monthly " . Dennehy was also pictured on in the editions and . Born as Elizabeth Hannah Dennehy in Jacksonville , North Carolina , she is the daughter of veteran actor and the sister of actress Kathleen Dennehy . She is married to actor James Lancaster . Television work . Dennehy began her television career on the soap opera " The Guiding Light " on which she portrayed Christina " Blake " Bauer Lindsey Thorpe between 1988 and 1989 . Her part was then recast with Sherry Stringfield and later Elizabeth Keifer because of Dennehy ' s strong resemblance with . Following her appearance on " The Next Generation " , she had guest parts in episodes of " Quantum Leap " ( 1992 , with Scott Bakula and Dean Stockwell ) , " Class of ' 96 " ( 1993 , with Neil Maffin ) , " Seinfeld " ( 1993 , starring Jason Alexander and with Estelle Harris , Gina Hecht , Peter Crombie , Larry Hankin , Erick Avari , Tony Amendola , Lanei Chapman , Bill Erwin , Teri Hatcher , and Heidi Swedberg ) , " Brooklyn Bridge " ( 1993 ) , " The Lazarus Man " ( 1996 ) , and " C - 16 : FBI " ( 1997 , with Zach Grenier , Michael Cavanaugh , Glenn Morshower , Christopher Neame , and Natalia Nogulich ) . Further television credits include " NYPD Blue " ( 2000 , with Gordon Clapp , Raymond Cruz , Heinrich James , and Pasha D . Lychnikoff ) , " Chicago Hope " ( 2000 ) , " Judging Amy " ( 2003 , with Sara Mornell , Granville Van Dusen , Robin Gammell , Armin Shimerman , and Ray Xifo ) , " Gideon ' s Crossing " ( 2001 , with Nicholas Cascone , Freda Foh Shen , Ed Begley , Jr . , Deborah May , Michael Nouri , and Randy Oglesby ) , " The Agency " ( 2001 , with Ronny Cox , David Clennon , Claudette Nevins , Daniel Benzali , Nicholas Cascone , and Boris Lee Krutonog ) , " Numb3rs " ( 2005 , with Bruce Davison ) , " Without a Trace " ( 2006 , with Enrique Murciano and Paul Collins ) , and " Commander in Chief " ( 2006 , with Jasmine Jessica Anthony , Leslie Hope , Ronny Cox , Tony Plana , and Glenn Harris ) . Between 2004 and 2006 Dennehy had a recurring role as Sandra , one of the elders , in eight episodes of the hit series " Charmed " . Fellow " The Next Generation " actor John de Lancie also portrayed an elder in several episodes . Other " Trek " performers who appeared in these episodes are Maury Sterling , Joey Anaya , Michael Hugghins , Joel Swetow , Bruce Gray , Lorin McCraley , James Wellington , John Dixon , Brian Oerly , Bill Blair , James Read , Glenn Morshower , David Mattey , and Alina Andrei . More recent television work includes guest roles in " Boston Legal " ( 2008 , with John Larroquette , William Shatner , and Ron Canada ) , " Medium " ( 2009 , with J . D . Cullum ) , and " The Mentalist " ( 2009 , with Marco Sanchez ) . Film work . Dennehy made her film debut in 1992 when working on the drama " The Waterdance " with Susan Gibney , Mirron E . Willis , and Barbara Alyn Woods . She then had supporting parts in the television drama " A Place to Be Loved " ( 1993 , with Cyril O ' Reilly and Sam Anderson ) , the action thriller " Clear and Present Danger " ( 1994 , with Harris Yulin , Raymond Cruz , Ellen Geer , Beau Lotterman , Reg E . Cathey , Vaughn Armstrong , John Putch , Michael Jace , Cameron Thor , Harley Venton , Miguel Perez , Kamala Lopez , Aaron Lustig , Catherine MacNeal , and Deborah Landis ) , along her father in the television crime movie " Jack Reed : A Search For Justice " ( 1994 , with Miguel Ferrer , Marjorie Monaghan , Lindsey Haun , and Milt Tarver ) , the television movie " Runaway Car " ( 1997 , with Paul Eiding and Glenn Morshower ) , and the television drama " On the Edge of Innocence " ( 1997 , with Terry O ' Quinn , Olivia Birkelund , and Ronald Guttman ) . Also in 1997 , Dennehy had two featured but memorable parts : As a preschool teacher in the science fiction drama " Gattaca " , with Lindsey Lee Ginter and David LeBell , and as Maria in ' s mystery thriller " The Game " , with Anna Katarina . Further film work includes the horror sequel " The Prophecy II " ( 1998 , with J . G . Hertzler , Tom Towles , and Leonard O . Turner ) , the science fiction film " Soldier " ( 1998 , with James Black , Mark DeAlessandro , Paul Sklar , Max Daniels , Don Pulford , and Jesse Littlejohn ) , the television science fiction film " The Last Man on Planet Earth " ( 1999 , with Nancy Hower , Martha Hackett , Cliff DeYoung , written by Kenneth Biller , and directed by Les Landau ) , the television comedy " Come On , Get Happy : The Partridge Family Story " ( 1999 , with Richard Fancy , Willie Garson , Mark Harelik , and Marc Worden ) , the television movie " Hard Time : Hostage Hotel " ( 1999 , with Keith Carradine , Richard Riehle , Spencer Garrett , Tony Plana , Jack Sheldon , and Tony Rizzoli ) , the television special " Murder , She Wrote : The Last Free Man " ( 2001 , with Michael Jace , David Ogden Stiers , and John Hostetter ) , and the thriller " Red Dragon " ( 2002 , with John Rubinstein , David Doty , Brenda Strong , Robert Curtis Brown , Michael Cavanaugh , Andreana Weiner , William Lucking , and Mark Moses ) . Her most recent film work are the family drama " Welcome to Paradise " ( 2007 , with Ken Jenkins and Jim O ' Heir ) and the superhero blockbuster " Hancock " ( 2008 , with Akiva Goldsman , Gregg Daniel , and David Mattey ) .