Michele Scarabelli Michele Scarabelli is the actress who portrayed Lieutenant jg Jenna D ' Sora in the fourth season episode in . Scarabelli filmed her scenes for " In Theory " between Tuesday and Thursday and Monday and Tuesday on Paramount Stage 8 and 9 . Scarabelli is probably best known for her role as Susan Francisco in the science fiction television series ( 1989 - 1990 ) and its five following television movies " Alien Nation : Dark Horizon " ( 1994 ) , " Alien Nation : Body and Soul " ( 1995 ) , " Alien Nation : Millennium " ( 1996 ) , " Alien Nation : The Enemy Within " ( 1996 ) , and " Alien Nation : The Udara Legacy " ( 1997 ) . Among her co - stars in all " Alien Nation " projects are on - screen husband Eric Pierpoint , Gary Graham , and Ron Fassler . She was interviewed twice for " " magazine ; in June 1990 by Marc Shapiro for the article " Mother of Newcomers " in issue 155 and in May 2008 by Pat Jankiewicz for the article " Through Alien Eyes " in issue 365 . Personal . Scarabelli was born in the Canadian city of Montréal in and attended McGill University in Montréal where she graduated with a degree in psychology . Prior to her career as an actress , Scarabelli worked as model and dancer . Television . Scarabelli started her television career in the early 1980s with supporting roles in the television movies " A Matter of Cunning " ( 1983 ) , " Reno and the Doc " ( 1984 ) , " Letting Go " ( 1985 , with Gordon Clapp ) , " The High Price of Passion " ( 1986 , with Walker Boone ) , and " The Guaranteed Way to Pick Up Single Women : The Movie " ( 1987 ) beside guest roles in episodes of " The Hitchhiker " ( 1984 ) , " Night Heat " ( 1985 and 1986 , with Allan Royal ) , " Philip Marlowe , Private Eye " ( 1986 ) , " The Campbells " ( 1986 ) , " Hot Shots " ( 1986 ) , and " Seeing Things " ( 1986 and 1987 ) . In 1986 she was cast to portray Jo Santini in the revamped version of the action series " Airwolf " which lasted one season before it was cancelled in 1987 . Scarabelli then portrayed Connie Hall in several episodes of the soap " Dallas " in 1988 , working with Earl Boen , Joshua Harris , Leigh Taylor - Young , John Anderson , and William Smithers . Further guest roles include episodes of " War of the Worlds " ( 1988 , with Richard Chaves and Neil Vipond ) , " Diamonds " ( 1988 ) , " Alfred Hitchcock Presents " ( 1989 , with Bruce Gray ) , " Jake and the Fatman " ( 1989 , with Charlie Brill ) , " Highway to Heaven " ( 1989 ) , " Father Dowling Mysteries " ( 1990 , with Mark Moses ) , and " Sweating Bullets " ( 1991 ) besides her work on " Alien Nation " and " Star Trek : The Next Generation " . She appeared in the television movies " Age - Old Friends " ( 1989 , directed by Allan Kroeker ) , " Labor of Love " ( 1990 ) , " Perry Mason : The Case of the Defiant Daughter " ( 1990 , with Kevin Tighe ) , and " Deadbolt " ( 1992 , with Cyndi Pass ) and worked on " Bodies of Evidence " ( 1992 , with Kate McNeil , Renee Jones , Albie Selznick , Jeff Yagher , and Biff Yeager ) and " Dudley " ( 1993 , with Joanna Cassidy and Joel Brooks ) before she played Jessica MacKenzie in the short lived family series " Okavango : The Wild Frontier " ( 1993 ) . Scarabelli ' s other television credits in the 1990s include " Beverly Hills , 90210 " ( 1994 , with Cress Williams and Martin Cassidy ) , " Kung Fu : The Legend Continues " ( 1994 , with Robert Lansing ) , " Ned and Stacey " ( 1997 , with Pamela Kosh ) , " Due South " ( 1996 ) , " Diagnosis Murder " ( 1996 , with Charles Chun and Gregory Itzin ) , " Moloney " ( 1997 , with Spencer Garrett ) , " Dawson ' s Creek " ( 1999 ) , the television thriller " The Colony " ( 1995 , with Marshall R . Teague , Vince Deadrick , Jr . , and Colby French ) , and the television drama " Loss of Faith " ( 1997 , with Samantha Eggar ) . More recent television credits are " The Agency " episode " The Enemy Within " ( 2002 , with Daniel Benzali , David Clennon , Ronny Cox , and Tom Virtue ) , the television mini series " Le dernier chapitre : La Suite " ( 2002 ) , as voice of monster Six in the animated television series " Seven Little Monsters " ( 2000 - 2003 ) , and the television thriller " Student Seduction " ( 2003 ) . Film . Scarabelli made her feature film debut with a background role as a prom dancer in the 1980 horror thriller " Prom Night " followed by a featured part in the drama " Suzanne " ( 1980 ) . Throughout the 1980s she also appeared in the comedy " The Funny Farm " ( 1983 , with Derek McGrath ) , the romance " Covergirl " ( 1984 , with Cathie Shirriff ) , the drama " The Hotel New Hampshire " ( 1984 , with Lisa Banes and Wallace Shawn ) , the comedy " Breaking All the Rules " ( 1985 ) , the comedy " Perfect Timing " ( 1986 , with Stephen Markle ) , and the action film " Snake Eater II : The Drug Buster " ( 1989 ) . Further film work includes the comedy " I Don ' t Buy Kisses Anymore " ( 1992 , with Jason Alexander , David Bowe , Hilary Shepard , Matthias Hues , and Robert DoQui ) , the family movie " Secret Adventures : Shrug " ( 1994 , with George Murdock ) , the thriller " The Wrong Woman " ( 1995 ) , the comedy " 2001 : A Space Travesty " ( 2000 , with Alan Shearman ) , the action thriller " Pressure Point " ( 2001 ) , the thriller " Living in Fear " ( 2001 ) , the short film " Talk 5 . 0 " ( 2002 ) , and the drama " Shattered Glass " ( 2003 ) . Beside her film work , Scarabelli can also be seen as Agent 03 , Michelle Visard in the video games " The Journeyman Project 2 : Buried in Time " ( 1995 , with Ray Uhler ) , " The Journeyman Project : Pegasus Prime " ( 1997 , with Ray Uhler ) , and " The Journeyman Project 3 : Legacy of Time " ( 1998 , with Jerry Rector and Graham Jarvis ) . Other projects in which she had roles are the comedy " Hard Four " ( 2007 , with Ed Begley , Jr . , Ian Abercrombie , Willie Garson , and Carolyn Seymour ) and the short comedy " Daryl from OnCar " ( 2008 , with Bob Clendenin and Noon Orsatti ) . More recently she had a role in the comedy " Chicanery " , written and directed by Charles Dennis and released in 2017 . The film also features Kate Vernon , Lou Wagner , Loren Lester , and Charles Dennis himself .