| Endless | 2020 | Helen | Movie |
| Broil | 2020 | January Sinclair (credit only) | Movie |
| Motherland: Fort Salem | 2020 | Petra Bellweather | TV Show |
| H.appiness | 2020 | Joy (voice) | Short Film |
| Aurora Teagarden Mysteries: Heist and Seek | 2020 | Terry | TV Movie |
| Reunited and it Feels So Deadly | 2020 | Terry | TV Movie |
| Puppet Killer | 2019 | Ms. Stevens | Movie |
| 37-Teen | 2019 | Dana | Movie |
| Project Blue Book | 2019 | Reporter | TV Show |
| Another Life | 2019 | Annette Mackenzie | TV Show |
| A Game of Cat and Mouse | 2019 | Terry | TV Movie |
| A Very Foul Play | 2019 | Terry | TV Movie |
| Nancy Drew | 2019 | Brie Fortfield | TV Show |
| The College Admissions Scandal | 2019 | Erica Valdez | TV Movie |
| Random Acts of Christmas | 2019 | Perry (as Catherine Lough-Haggquist) | TV Movie |
| Mystery 101 | 2019 | Vicky Lin | TV Show |
| Fifty Shades Freed | 2018 | Dr. Greene (as Catherine Lough-Haggquist) | Movie |
| Life Sentence | 2018 | Elaine | TV Show |
| Last Scene Alive: An Aurora Teagarden Mystery | 2018 | Terry Sternholz | TV Movie |
| The Ride Home | 2018 | Dr. Wright | Short Film |
| Reap What You Sew: An Aurora Teagarden Mystery | 2018 | Terry Sternholz | TV Movie |
| The Sweetest Heart | 2018 | Emma Beabot | TV Movie |
| Boulevard | 2018 | Officer Nolan | Short Film |
| Aurora Teagarden Mysteries: The Disappearing Game | 2018 | Terry Sternholz | TV Movie |
| Christmas Pen Pals | 2018 | Naomi | TV Movie |
| Falling for You | 2018 | Debbie | TV Movie |
| Jingle Around the Clock | 2018 | Fiona | TV Movie |
| Riverdale | 2017 | Mrs. Tate | TV Show |
| The Good Doctor | 2017 | Dr. Mohan | TV Show |
| Dead Over Heels: An Aurora Teagarden Mystery | 2017 | Terry (Mayor) | TV Movie |
| A Bundle of Trouble: An Aurora Teagarden Mystery | 2017 | Terry Sternholz | TV Movie |
| Gigantic | 2017 | Vadasi (voice) | Unknown |
| The Confirmation | 2016 | Officer Sue | Movie |
| Countdown | 2016 | Lilly (as Catherine Lough-Haggquist) | Movie |
| Chesapeake Shores | 2016 | Linda Nelson | TV Show |
| Beyond | 2016 | Dr. Suzanne Warren | TV Show |
| Van Helsing | 2016 | Beth | TV Show |
| Three Bedrooms, One Corpse: An Aurora Teagarden Mystery | 2016 | Terry | TV Movie |
| The Ex You Can't Escape | 2016 | Interview Show Host | TV Show |
| Every Christmas Has a Story | 2016 | Lauren Foster | TV Movie |
| Backstrom | 2015 | Detective Francis Dunne | TV Show |
| Zoo | 2015 | Dr. Nielsen | TV Show |
| UnREAL | 2015 | Judith | TV Show |
| The Whispers | 2015 | Renee | TV Show |
| iZombie | 2015 | Dr. Danforth | TV Show |
| Fatal Memories | 2015 | Dr. Dubois | TV Movie |
| Angels in the Snow | 2015 | Amy Tucker | TV Movie |
| Almost Actors | 2015 | Coach | TV Show |
| Proof | 2015 | Ms. Malone | TV Show |
| Are You My Daughter? | 2015 | Michelle Canning | TV Movie |
| Project Mc² | 2015 | Dr. Allison Crawford | TV Show |
| The Condenado League | 2015 | Executive #1 | Short Film |
| Autumn Dreams | 2015 | Judge Brown | TV Movie |
| Welcome Home | 2015 | Sarah Grimes | TV Movie |
| Godzilla | 2014 | PO #1 Martinez | Movie |
| The 100 | 2014 | Council Member #1 | TV Show |
| Girlfriends' Guide to Divorce | 2014 | Bookstore Lady | TV Show |
| When Calls the Heart | 2014 | Marion Landers | TV Show |
| The Flash | 2014 | Vickie Bolen | TV Show |
| A Christmas Tail | 2014 | Rosemary Kitchens | TV Movie |
| Elysium | 2013 | Representative Burrard | Movie |
| Bates Motel | 2013 | Liz Morgan | TV Show |
| Motive | 2013 | Theona Verdad | TV Show |
| Romeo Killer: The Chris Porco Story | 2013 | Dr. Mary Dombovy | TV Movie |
| Spooksville | 2013 | Ms. Clench | TV Show |
| The Toyman Killer | 2013 | Judge Mangold | TV Movie |
| Garage Sale Mysteries | 2013 | Kay | TV Show |
| Arctic Air | 2012 | Rebecca O'Callaghan | TV Show |
| Continuum | 2012 | Nora / Inspector Nora Harris / Nora Harris | TV Show |
| Emily Owens M.D. | 2012 | Gloria | TV Show |
| It's Christmas, Carol! | 2012 | Pam Jacobs | TV Movie |
| A Bride for Christmas | 2012 | Rhonda | TV Movie |
| Knockout | 2011 | Principal Lee (as Catherine Lough Hagquist) | Movie |
| Once Upon a Time | 2011 | Fairy Godmother | TV Show |
| Collision Earth | 2011 | Jennifer Kelly | TV Movie |
| Hunt for the I-5 Killer | 2011 | Reporter | TV Movie |
| Innocent | 2011 | Detective Rory Gissling | TV Movie |
| TRON: Legacy | 2010 | Reporter #2 | Movie |
| Call Me Mrs. Miracle | 2010 | Clair | TV Movie |
| A Family Thanksgiving | 2010 | Lindsay | TV Movie |
| R.L. Stine's The Haunting Hour | 2010 | Penelope | TV Show |
| Caprica | 2009 | STO Martyr #3 | TV Show |
| The Troop | 2009 | Linda | TV Show |
| Stargate Universe | 2009 | Mary | TV Show |
| Sorority Wars | 2009 | Hillary | TV Movie |
| Fringe | 2008 | Lucy | TV Show |
| Iron Man: Armored Adventures | 2008 | Roberta Rhodes | TV Show |
| Aliens vs. Predator: Requiem | 2007 | Tina | Movie |
| Crossroads: A Story of Forgiveness | 2007 | Chantal | TV Movie |
| Termination Point | 2007 | Ellen | TV Movie |
| Flash Gordon | 2007 | Luna | TV Show |
| Traveler | 2007 | News Reporter | TV Show |
| Four Extraordinary Women | 2006 | Karen | TV Movie |
| The Stranger Game | 2006 | Barbara Leaf | TV Movie |
| Kyle XY | 2006 | Ms. Schultz | TV Show |
| Psych | 2006 | Lisa | TV Show |
| Alone in the Dark | 2005 | Krash | Movie |
| Killer Instinct | 2005 | Bank Manager | TV Show |
| Reunion | 2005 | Elise Dawson | TV Show |
| Supernatural | 2005 | Jules / Detective Glass | TV Show |
| Scooby-Doo 2: Monsters Unleashed | 2004 | Reporter #2 | Movie |
| NTSB: The Crash of Flight 323 | 2004 | Secretary | TV Movie |
| Traffic | 2004 | Building Manager | TV Show |
| The L Word | 2004 | Davina | TV Show |
| Moving Malcolm | 2003 | Maid of Honour | Movie |
| Paycheck | 2003 | Scientist | Movie |
| Peacemakers | 2003 | Isaac Evans' Wife | TV Show |
| Little Brother of War | 2003 | Sonja Lee | Movie |
| Life or Something Like It | 2002 | Morning Show Hostess | Movie |
| The Secret Life of Zoey | 2002 | Applicant #1 | TV Movie |
| American Dreams | 2002 | Martha Reeves | TV Show |
| The Dead Zone | 2002 | Persistent Reporter | TV Show |
| Rockpoint P.D. | 2002 | Sgt. Grace Harris | TV Show |
| L.A.P.D.: To Protect and to Serve | 2001 | Cashier | Movie |
| Just Cause | 2001 | Diane Baker | TV Show |
| Smallville | 2001 | Mary | TV Show |
| The Unprofessionals | 2001 | Sadie Winters | TV Show |
| Quarantine | 2000 | Agent Pelitere (as Catherine Lough) | TV Movie |
| The Linda McCartney Story | 2000 | Paris Restaurant Patron | TV Movie |
| Dark Angel | 2000 | News Anchor / Reporter | TV Show |
| Just Deal | 2000 | Bonnie | TV Show |
| Y2K | 1999 | Passenger #1 (as Catherine Lough) | TV Movie |
| Fatal Error | 1999 | Teal's Assistant (as Catherine Lough) | TV Movie |
| Final Run | 1999 | Passenger #3 (as Catherine Lough) | TV Movie |
| Floating Away | 1998 | Young Nurse (as Catherine Lough) | TV Movie |
| Seven Days | 1998 | Stephanie | TV Show |
| The Net | 1998 | Dr. Meg Canter | TV Show |
| Stargate SG-1 | 1997 | Technical Sergeant | TV Show |
| Doctor Who | 1996 | Wheeler (as Catherine Lough) | TV Movie |
| Not Our Son | 1995 | Nurse (as Catherine Lough) | TV Movie |
| The Outer Limits | 1995 | Eileen / Reporter | TV Show |
| Snowbound: The Jim and Jennifer Stolpa Story | 1994 | Paramedic (as Catherine Lough) | TV Movie |
| Birdland | 1994 | Admissions Nurse | TV Show |
| M.A.N.T.I.S. | 1994 | Patricia | TV Show |
| Moment of Truth: To Walk Again | 1994 | Lt. Janet Potter (as Catherine Lough) | TV Movie |
| Sherlock Holmes Returns | 1993 | Resuscitation Nurse (as Catherine Lough) | TV Movie |
| For the Love of My Child: The Anissa Ayala Story | 1993 | Nurse #1 (as Catherine Lough) | TV Movie |
| No Child of Mine | 1993 | Secretary (as Catherine Lough) | TV Movie |
| The X-Files | 1993 | Dr. Richmond | TV Show |
| A Killer Among Friends | 1992 | Girl #2 (as Catherine Lough) | TV Movie |
| Highlander | 1992 | Marcia / Carol | TV Show |
| The Commish | 1991 | Margie | TV Show |
| A Rendezvous | | Jordan | Short Film |
| Shannon Web Series | | Sara | TV Movie |
| Nature of Love | | Sabrina | TV Movie |
| Borderline | | Eleanor | Movie |
