Catherine Lisa Bell (born 14 August 1968) is a British-American actress and model known for her roles as Lieutenant Colonel Sarah MacKenzie in the television series JAG from 1997 to 2005, Denise Sherwood in the series Army Wives from 2007 to 2013, and Cassandra "Cassie" Nightingale in Hallmark's The Good Witch films and television series from 2008 to 2021.
2025No FriendsMovieas Robin
2024Happy Holidays from Cherry LaneMovieas Regina Johnston
2023Christmas on Cherry LaneMovieas Regina Johnston
2022Jailbreak LoversMovieas Toby Young · Executive Producer
2020Meet Me at ChristmasMovieas Joan
2018A Summer to RememberMovieas Jessica
2017Christmas in the AirMovieas Lydia Evans · Co-Executive Producer
2017High-Rise RescueMovieas Beth Davis · Executive Producer2017Home for Christmas DayMovieas Jane McKendrick · Executive Producer2016The Do-OverMovieas Dawn
2016The Bandit HoundMovieas Joanne2015Good WitchTV showas Cassie Nightingale · 68 episodes
2014The Good Witch's WonderMovieas Cassandra Nightingale · Co-Executive Producer
2013The Good Witch's DestinyMovieas Cassandra Nightingale · Co-Executive Producer
2013King & MaxwellTV showas Joan Dillinger · 2 episodes2012The Good Witch's CharmMovieas Cassandra Nightingale · Co-Executive Producer
2011Good Morning, KillerMovieas Ana Grey2011The Good Witch's FamilyMovieas Cassandra Nightingale · Co-Executive Producer
2011Last Man StandingMovieas Abby Collins · Producer2010The Good Witch's GiftMovieas Cassandra Nightingale · Co-Executive Producer
2010The TalkTV showas Self · 1 episodes2009NCIS: Los AngelesTV showas Sarah MacKenzie · 3 episodes2009The Good Witch's GardenMovieas Cassandra Nightingale · Co-Executive Producer2008The Good WitchMovieas Cassandra Nightingale · Co-Executive Producer2007Evan AlmightyMovieas Susan Ortega (uncredited)
2007Army WivesTV showas Denise Sherwood · 117 episodes
2007Still Small VoicesMovieas Michael Summer2005The TriangleTV showas Emily Patterson · 3 episodes2005ThresholdTV show1 episodes
2004On Air with Ryan SeacrestTV showas Self · 1 episodes2003Bruce AlmightyMovieas Susan Ortega2003Jimmy Kimmel Live!TV showas Self · 2 episodes
2001Waking the DeadTV showas Sam James · 1 episodes
1999The Time ShiftersMovieas Elizabeth Wintern1999Law & Order: Special Victims UnitTV showas Naomi Cheales · 1 episodes
1998Cab to CanadaMovieas Sandy
1998Black ThunderMovieas Lisa
1998Hollywood SquaresTV showas Self - Panelist · 15 episodes
1997EP DailyTV show2 episodes1997The ViewTV showas Self · 1 episodes
1997Crash DiveMovieas Lt. Cmdr. Lisa Stark
1995Alien Nation: Body and SoulMovieas Cop1995JAGTV showas Sarah MacKenzie · as Diane Schonke · 205 episodes
1995The Naked TruthTV showas Dylan's Mistress · 1 episodes1995Hercules: The Legendary JourneysTV showas Cynea · 1 episodes
1995Hot LineTV showas Cat · 1 episodes1994FriendsTV showas Robin · 1 episodes1994Men of WarMovieas Grace Lashield
1994Vanishing SonTV showas Kelly · as Rachel · 1 episodes
1993Mother of the BrideMovieas Chastity
1992Death Becomes HerMovieStunt Double
1990Dream OnTV showas Kay Meadows · 1 episodes
1988LIVE with Kelly and MarkTV show1 episodes
—Good Witch SpellboundMovie