Morgan's Great-Aunt was Kim Hamilton (Dorothy Mae Aiken), an African American actress.
Her most noted roles were as Brock Peter's (Tom Robinson) wife in the 1962 film adaptation of "To Kill a Mockingbird" and as Harry Belafonte's wife in "Odds Against Tomorrow."
Her long career on television began with a role as Andy's girlfriend on "Amos & Andy." Other credits included "Ben Casey," "Dr. Kildare," "The Twilight Zone," "Stony Burke," "All in the Family," "The Jeffersons," "Sanford & Son," "Quincy M.E.," "Law & Order," "Star Trek: The Next Generation" and "Private Practice." She was the only African American to ever appear on the series "Leave It to Beaver" and she was the first black actress of color to appear on the daytime soap opera "General Hospital". She also appeared on "Days of Our Lives," "Guiding Light" and "The Young and The Restless". She had most recently appeared in the 2010 film "The Beginners.".