Revealed to actually be the mother of Peter August. Killed by Anna Devane after getting shot and falling off the Haunted Star. Jeanette Marino (Ely Pouget, 2018) Vincent Marino's wife. Mother to Margaux Dawson. Vincent Marino (deceased) (Rick Pasqualone, 2018) Mob Boss Joe Scully's Lawyer. Father to Margaux Dawson. Body found in the foundation of Charlie's Pub. Pete Marquez (Eddie Matos, 2006–07) Professor at Port Charles University. Good friends with Dr. Patrick Drake. Reese Marshall (deceased) (Kari Wuhrer, 2005) Born Charlotte "Carly" Roberts. FBI agent who investigated the kidnapping of Sonny Corinthos' children in 2005. Was revealed to be Charlotte Roberts, Carly Corinthos' childhood best friend who was presumed dead in a car accident and whose name Carly used when she first came to Port Charles. Died in a train accident in 2005. Ken Martin (Hunt Powers, 1963) Part of the original cast, Ken Martin is a doctor at General Hospital. He gets engaged to Cynthia Allison and marries her after Phil Brewer leaves her for his wife Jessie. Rosalie Martinez (Linda Elena Tovar, 2014–15) Former nurse and personal assistant of Nina Clay. Conspired with Nikolas Cassadine to help him gain control of ELQ through corporate espionage. Ex-wife of Brad Cooper. Linda Massey (Chandra Wilson, 2018) Wendy Masters (deceased) (Terri Hawkes, 1990) Blackmailed Ned and Monica with a tape of their affair at the spa. Developed an obsession with Ned. Slashed Dawn's wedding veil. Was found stabbed to death and seated on a carousel horse after a police charity event. Before her death, she had been sneaking voice-altered tapes to reporter Shep Casey, which eventually helped Shep and Anna Devane discover the secret of Decker's past in Midvale. Courtney Matthews (deceased) (Alicia Leigh Willis, 2001–06, 2015, 2020) Only daughter of Mike Corbin and Janine Matthews. Mother of Spencer Cassadine. Ex-wife of , Jason Morgan, and Jasper Jacks. Part of the Corinthos family. Died during the encephalitis outbreak after giving birth to son Spencer. Janine Matthews (DeLane Matthews, 2001–03, 2006) Mother of Courtney Matthews. Tried to blackmail Edward Quartermaine. Moved to New Jersey. Matthew Mayes (deceased) (Matt Riedy, 2016) Chief of neurosurgery. Clashed with other doctors and patients for being strictly by the book. Murdered by Paul Hornsby. Beth Maynard (Michele Conaway, 1975–76) Sister of Diana Maynard Taylor. Nurse at General Hospital. John McBain (Michael Easton, 2012–13 on General Hospital) Police detective. Father of Liam McBain. Ex-husband of Blair Cramer. Friends