American actor of film and television. Dierkes appeared in the films, “Oklahoma Crude” (1973), “The Omega Man” (1971), “The Haunted Palace” (1963), “X Cool” (1963), “The Alamo” (1960), “Valerie” (1957), “Prince Valiant” (1953), “Abbott & Costello Meet Dr. Jekyll And Mr. Hyde” (1953), The Thing From Another World” (1951) and “MacBeth” (1948). Appeared in many television programs including, “Gunsmoke” (1955-1975), “Bonanza” (1959-1973), “The Adventures of Rin Tin Tin” (1954-1959), “Death Valley Days” (1952-1975) and “The Restless Gun” (1957-1959).  (bio by: K)