Ralph Wilcox (born January 30, 1950) is an African American actor who has made many appearances in movies and guest roles on television series during his career in Hollywood, dating back to the early 1970s. Some of his most memorable roles include "Jammin' Jim" Jenkins on the Emerald Cove segments of The Mickey Mouse Club, Mason Freeman in seaQuest 2032, and Mugambi in . He wrote, directed, and produced The Lena Baker Story, a 2008 film that chronicled the life of Lena Baker, a 43-year-old African American mother of three who was sent to the electric chair in Georgia in 1945. He played the role of Uncle Henry in the original Broadway production of The Wiz.