Mark LaMura (born October 18, 1948 in Perth Amboy, NJ) (sometimes spelled Mark La Mura or Mark Lamura) is an American actor. He is married and has one daughter. He portrayed Mark Dalton in All My Children in 1977–1989 and made special guest appearances in 1994, 1995 and 2005. Also, he appeared as John Doe in the Star Trek: The Next Generation episode, "Transfigurations" (1990). He has made credentials in theatrical productions, such as Shakespeare plays and The Rise Of Dorothy Hale.