Guest Star Index - M
A  B  C  D  E  F  G  H I  J  K  L  N  O  P  Q  R  S  T  U V  W  X  Y  Z
William H. Macy
Asst. U.S. DA John McCormack; "Everybody's Favorite Bagman" (L&O 1.6)
Steven Marcus
Sheets; "By Hooker, By Crook" (L&O 1.7)
W.T. Martin
Dr. Lignell; "Prescription for Death" (L&O 1.1)
Bernice Massi
Mrs. Diamond; "By Hooker, By Crook" (L&O 1.7)
Audrey Matson
Maggie (NYPD Cop); "Everybody's Favorite Bagman" (L&O 1.6)
Avis McCarther
Secretary (uncredited); "Prescription for Death" (L&O 1.1)
Bruce McCarthy
Stephen Simonson; "Prescription for Death" (L&O 1.1)
Roger Quinn; "Who Let the Dogs Out?" (L&O 12.1)
Dwayne McClary
Michael Jones; "Subterranean Homeboy Blues" (L&O 1.2)
Maeve McGuire
Dr. Walters; "Prescription for Death" (L&O 1.1)
Anthony Means
Simonize Jackson; "Everybody's Favorite Bagman" (L&O 1.6)
Kathryn Meisle
Catherine Moody; "By Hooker, By Crook" (L&O 1.7)
Frederica Meister
Mrs. Stivic; "Prescription for Death" (L&O 1.1)
Jack Merrill (as Merrill Holtzman)
Hurley; "The Reaper's Helper" (L&O 1.3)
Mary Elaine Monti
Dorothy Luck; "Happily Ever After" (L&O 1.5)
Charlotte Moore
Julia DeBakey; "The Reaper's Helper" (L&O 1.3)
Dana Morosini
Camilla; "By Hooker, By Crook" (L&O 1.7)
Haviland Morris
Polly Norris; "Kiss the Girls and Make Them Die" (L&O 1.4)
Nick Muglia
Trevelyan; "By Hooker, By Crook" (L&O 1.7)
Meg Mundy
Helen Ralston; "Happily Ever After" (L&O 1.5)
Harry S. Murphy
Don; "Prescription for Death" (L&O 1.1)
James Murtaugh
Christianson; "Kiss the Girls and Make Them Die" (L&O 1.4)