Film:
* The Big Lebowski (1998): She played Bunny Lebowski, the wife of the titular character "The Dude". This role is perhaps her most recognizable.
* The Informant! (2009): She played Ruth, a woman who becomes involved with a corporate whistleblower.
* My Life in Ruins (2010): She played a Greek tour guide.
* The Three Musketeers (2011): She played the Queen of France.
* The Fifth Estate (2013): She played the mother of a WikiLeaks co-founder.
* The Little Prince (2015): She voiced the character of the Rose.
* The Last Man on Earth (2015): She played a recurring character, Carol.
* Love, Simon (2018): She played the mother of a gay teenager.
Television:
* The Sopranos (2000-2007): She had a recurring role as Dr. Jennifer Melfi's sister, Carolyn.
* CSI: Crime Scene Investigation (2001): She had a guest role in one episode.
* Law & Order: Special Victims Unit (2002): She had a guest role in one episode.
* Six Feet Under (2003-2005): She had a recurring role as a therapist, Dr. Ava.
* Grey's Anatomy (2006-2007): She had a recurring role as Dr. Erica Hahn, a cardiothoracic surgeon.
* Dexter (2008): She had a guest role in one episode.
* House of Cards (2013): She had a recurring role as the journalist Janine Skorsky.
* The Good Wife (2014): She had a guest role in one episode.
* The Morning Show (2019-present): She plays a recurring character, Stella Bak.
This list is not exhaustive, but it showcases the range of Marilyne Canto's work. She has appeared in both independent films and major studio productions, and she has worked in a variety of genres, including comedy, drama, and thriller.
It's worth noting that she is also an accomplished stage actress.