Radames Pera is an American actor best known for his role as "Grasshopper" the student Kwai Chang Caine in the 1972-1975 television series Kung Fu. Radames also had a recurring role on Little House on the Prairie as John, Jr., eldest adopted son of Mr Edwards and became Mary Ingalls' love interest. Between 1969 and 1985 other guest-starring credits include two episodes of Lassie and Marcus Welby, M.D., and single episodes of Family Affair, Hawaii Five-O and The Waltons among many others
