She was born in Madrid, Spain, and grew up in Ottawa, Ontario.
Television| Year | Title | Role | Notes |
|---|
| 1987 | Walt Disney's Wonderful World of Color | Episode: "The Liberators" |
| 1988 | Diamonds | Episode: "By the Book" |
| 1988 | {{sortname>The|Child Saver|nolink=1}} | Lola | TV film |
| 1988 | Night Heat | Leoni Drake | Episode: "Goodbodies" |
| 1989 | My Secret Identity | Patricia | Episode: "The Video Connection" |
| 1989 | War of the Worlds | Estelle | Episode: "He Feedeth Among the Lilies" |
| 1989 | Street Legal | Isabel Margues | Episode: "Brotherhoods" |
| 1989-1991 | E.N.G. | Martha Antonelli | Recurring role (9 episodes) |
| 1990 | The Kids in the Hall | Miriam | Episode 1.18 |
| 1991-1994 | Street Legal | Laura Crosby | Main role (48 episodes) |
| 1992 | Revolver | Dancer | TV film |
| 1992 | Forever Knight | Magda | Episode: "For I Have Sinned" |
| 1993 | Secret Service | Meehan | Episode: "Murder for Hire/Don't Bank on It" |
| 1993 | Matrix | Miss Lumley | Episode: "Marked Man" |
| 1994 | Monster Force | Additional Voices | 13 episodes |
| 1995 | The Legend Continues | Melanie Parker | Episode: "Chinatown Murder Mystery: The Case of the Poisoned Hand" |
| 1995 | Tails You Live, Heads You're Dead | Melanie Quint | TV film |
| 1995-1996 | TekWar | Lt. Sam Houston | Main role (13 episodes) |
| 1996 | Moonshine Highway | Ethel Miller | TV film |
| 1996 | Relativity | Julia Cordoza | Episode: "Just One More Thing" |
| 1996 | Unlikely Angel | Allison | TV film |
| 1997 | Frasier | Leslie Wellman | Episode: "Three Dates and a Breakup" |
| 1997 | {{sortname>The|Practice}} | A.D.A. Cindy Lichtman | Episode: "The Civil Right" |
| 1998 | {{sortname>The|Outer Limits|The Outer Limits (1995 TV series)}} | Jennifer Rigny | Episode: "Black Box" |
| 1998-1999 | Mercy Point | Dr. Haylen Breslauer | Main role (8 episodes) |
| 1999 | {{sortname>The|Crow: Stairway to Heaven}} | D.A. Shaw | Episode: "The People vs. Eric Draven" |
| 1999 | Little Men | Bandit | Episode: "Three Angry Women" |
| 2001 | Prime Directives | Sara Cable | TV miniseries |
| 2001-2002 | Blue Murder | Insp. Victoria Castillo | Lead role (26 episodes) |
| 2002 | Monk | Monica Waters | Episode: "Mr. Monk and the Other Woman" |
| 2002 | Doc | Episode: "On Pins and Needles" |
| 2002 | {{sortname>The|Christmas Shoes|The Christmas Shoes (film)}} | Kate Layton | TV film |
| 2003 | {{sortname>The|Pentagon Papers|The Pentagon Papers (film)}} | Carol Ellsberg | TV film |
| 2004 | 24 | Rachel Forrester | Recurring role (3 episodes) |
| 2004 | JAG | Alicia Montes | Episodes: "Retrial", "The Four Percent Solution" |
| 2005 | Terminal City | Katie Sampson | Lead role (10 episodes) |
| 2006 | For the Love of a Child | Annie | TV film |
| 2006 | Engaged to Kill | Abby Lord | TV film |
| 2008 | Murdoch Mysteries | Sarah Pensell | Episodes: "Elementary, My Dear Murdoch", "Bad Medicine" |
| 2010 | Bloodletting & Miraculous Cures | Dr. Miniadis | Episodes: "Code Clock", "Family Practice" |
| 2011 | Lost Girl | Donna | Episode: "Fae Gone Wild" |
| 2012 | King | Abigail Faulkner | Episode: "Justice Calvin Faulkner" |
| 2012 | Flashpoint | Wendy Travis | Episode: "Eyes In" |
| 2012 | The Series | Blanche Xavier | Episode: "Dead Drop" |
| 2014 | Hannibal | Marion Vega | Episode: "Hassun" |
1. ^1 {{cite web|title=Singer Maria Del Mar slams actress Maria Del Mar on Facebook|url=https://popgoesthenews.com/2016/02/12/singer-maria-del-mar-slams-actress-maria-del-mar-on-facebook/|website=popgoesthenews.com|accessdate=11 December 2016|date=12 February 2016}}
{{Authority control}}{{DEFAULTSORT:Del Mar, Maria}}{{Canada-actor-stub}}