Paul Winfield was born on May 22, 1939 in Los Angeles, California, to Lois Beatrice Edwards, a union organizer in the garment industry. His stepfather from the age of eight was Clarence Winfield, a city trash collector and construction worker. He graduated from Manual Arts High School in Los Angeles. From there, he attended the University of Portland, 1957–59; Stanford University, 1959; Los Angeles City College, 1959–63; University of California, Los Angeles, 1962–64; University of Hawaii, 1965 and the University of California, Santa Barbara, 1970-71.
He was known for his portrayal of a Louisiana sharecropper who struggles to support his family during the Great Depression in the landmark film Sounder, which earned him an Academy Award nomination. He portrayed Martin Luther King, Jr. in the 1978 television miniseries King, for which he was nominated for an Emmy Award. Winfield was also known for his roles in The Terminator, Star Trek II: The Wrath of Khan, and Star Trek: The Next Generation. He received five Emmy nominations overall, winning for his 1994 guest role in Picket Fences.
He died of a heart attack in 2004 at age 64, at Queen of Angels – Hollywood Presbyterian Medical Center in Los Angeles. Winfield and Gillan are interred together at Forest Lawn Memorial Park in Los Angeles.

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