Joanna Cassidy Joanna Cassidy is an actress who portrayed T ' Les , the mother of T ' Pol , in the two episodes and . Parts of her latter costume were sold off on the It ' s A Wrap ! sale and auction on eBay . She is perhaps best known for her supporting role as Dolores in the film , in which she co - starred with David L . Lander and Christopher Lloyd . She is also known for playing the role of Zhora in the acclaimed 1982 science fiction film . Cassidy began her film career with a bit part in 1968 ' s " Bullitt " , which also featured guest star Vic Tayback . After several uncredited appearances on the Desilu series " Mission : Impossible " , she had a supporting roles in the 1973 films " The Outfit " , with Elisha Cook , Jr . , and " The Laughing Policeman " , co - starring actor Anthony Zerbe . She then played the female lead opposite George C . Scott in the 1974 comedy " Bank Shot " . Subsequent film credits include " Stay Hungry " ( 1976 , with Ed Begley , Jr . ) , " The Late Show " ( 1977 , with Eugene Roche ) , and " Under Fire " ( 1983 , with Hamilton Camp ) . In 1979 , Cassidy starred in the short - lived ABC series " 240 - Robert " during its first season , playing Deputy Morgan Wainwright , helicopter pilot for the Los Angeles County Sheriff ' s Department Emergency Services Detail . In 1984 , she earned an - nomination for her role in the short - lived NBC sitcom " Buffalo Bill " , on which TOS guest star John Fiedler also starred . The following year she played Elizabeth " Foxfire " Towne in the NBC action series " Code Name : Foxfire " , although it only lasted a few episodes . Afterward , Cassidy continued starring in films , including " Club Paradise " ( 1986 , Andrea Martin , Antoinette Bower , and Bruce McGill ) , " The Fourth Protocol " ( 1987 , with Matt Frewer ) and " 1969 " ( 1988 , co - starring Mariette Hartley and Winona Ryder ) . Her role in " Who Framed Roger Rabbit " earned her a Saturn Award nomination as Best Supporting Actress from the Academy of Science Fiction , Fantasy & Horror Films . Her more recent film credits include " Don ' t Tell Mom the Babysitter ' s Dead " ( 1991 , with Concetta Tomei and Christopher Pettiet playing her character ' s son ) , " Vampire in Brooklyn " ( 1995 , with Andrew DePalma and Wendy Robie ) , " Chain Reaction " ( 1996 , with Danny Goldring ) , " Ghosts of Mars " ( 2001 , with Rosemary Forsyth and Marjean Holden ) , and " The Grudge 2 " ( 2006 ) . She also worked with TNG star Denise Crosby in the independent thriller " Executive Power " , released direct - to - video in 1997 . In 1993 Cassidy and DS9 guest star Joel Brooks were regulars on the CBS television series " Dudley " , starring . The following year , starred in another short - lived CBS series called " Hotel Malibu " . That same year , she was nominated for a Daytime Emmy Award for her performance in the " Other Mothers " episode of the " CBS Schoolbreak Special " . Her other television credits during the 1990s include the movies " Barbarians at the Gate " ( 1993 , with Ron Canada and Bruce French ) , " The Tommyknockers " ( 1993 , with Cliff DeYoung ) , and recurring roles on the series " L . A . Law " ( starring Corbin Bernsen and Larry Drake ) and " Melrose Place " ( with Jeffrey Nordling ) . In 1997 , she co - starred in the TV movie " The Second Civil War " . This movie featured a whole slew of fellow " Star Trek " alumni , including Brian Keith , Dick Miller , Ron Perlman , William Schallert , and ' star Robert Picardo . Cassidy made several appearances as Dr . Madison Wesley on the television series " Diagnosis : Murder " from 1999 through 2000 . From 2001 through 2005 , she had recurring role as Margaret Chenowith on the hit HBO series " Six Feet Under " . Her character on this series was married to Dr . Bernard Chenowith , played by DS9 guest star Robert Foxworth . She and Foxworth had previously worked together in four episodes of the primetime soap opera " Falcon Crest " in 1982 and would again co - star together in the " Enterprise " episode . The two most recently reunited for the movie " Kiss the Bride " , to be released in 2008 . In 2006 , Cassidy was a recurring guest star on ABC ' s " Boston Legal " , starring TOS actor William Shatner and DS9 actor Rene Auberjonois . She played the love interest ( and brief wife ) for Shatner ' s character , Denny Crane . The following year , Cassidy appeared on NBC ' s " Heroes " in the episode " Truth and Consequences " , along with Nichelle Nichols and Zachary Quinto . In 2011 , Cassidy was a recurring guest star on ABC ' s " Body of Proof " , starring VOY actress Jeri Ryan . In 2015 , Cassidy was elected as Los Angeles member of the National Board of Directors for the 2015 - 2017 period of SAG / AFTRA . Other " Star Trek " connections . Additional projects in which Cassidy has appeared with other " Star Trek " performers include :