Alexandra Castillo
- Sharp Corner
2025 Tamara Jones-Reed
- Doc
2025 Simone Canto
- UNTAMED
2025 Lana
- IT: Welcome to Derry
2025 Illiana
- Head Over Heels
2024 Delaney Diaz
- Orphan Black: Echoes
2024 Neva Lee
- Champions
2023 Judge Mary Menendez
- Rabbit Hole
2023 Olivia Bonen
- Gen V
2023 Vanessa
- Nesting
2023 Leia
- FUBAR
2023 Officer Martinez
- An Arthur Thanksgiving
2020 Shania (voice)
- Grand Army
2020 Ms. Lisa Gonzalez
- Nurses
2020 Mrs. Grant
- A Teacher
2020 Principal Rivas
- Dreams
2019 Lisa
- The Boys
2019 Vanessa
- Believe Me: The Abduction of Lisa McVey
2018 Det. Castle (as Alex Castillo)
- The Handmaid's Tale
2017 Dawn Mathis
- Mary Kills People
2017 Louise Malick
- Creeped Out
2017 Claire Whitaker
- Miss Sloane
2016 Pru Walsh
- The Girlfriend Experience
2016 Jacqueline
- DC's Legends of Tomorrow
2016 Gloria Cruz
- Damien
2016 Arlene (as Alex Castillo)
- Incorporated
2016 Susan
- Private Eyes
2016 Maxine DeMuzio
- 11.22.63
2016 Mayor
- Bark Ranger
2015 Sharon Keller
- The Expanse
2015 Captain Espinoza
- Remedy
2014 Mrs. Murdoch
- Lucky 7
2013 Bianca Clemente
- The Firm
2012 Mary Connor
- Against the Wall
2011 Elizabeth Northcutt
- Rookie Blue
2010 Detective Inez Capello
- Taken in Broad Daylight
2009 Agent Reynolds
- 2012
2009 Paris Reporter
- Warehouse 13
2009 Lisa
- The Listener
2009 Detective Patty Sinclair
- Traitor
2008 Dark Haired Woman
- Fringe
2008 Dr. Alexandra Castro
- Eye of the Beast
2007 Katrina Tomas
- Heartland
2007 Dr. Kelsey Burton
- Plague City: SARS in Toronto
2005 Aline
- Kevin Hill
2004 Mariel Arden (as Alex Castillo)
- This Is Wonderland
2004 Larissa Munoz (as Alex Castillo)
- The Dead Zone
2002 Helena Avila
- Mutant X
2001 Gina
- The 6th Day
2000 Reporter (as Álex Castillo)
