Marianna Hill (born Marianna Schwarzkopf; February 9, 1942) is an American actress who is known for her starring roles in the Western films El Condor (1970) and High Plains Drifter and the cult horror film Messiah of Evil (both 1973), as well as many roles on television series in the 1960s and 1970s. She was sometimes credited as Mariana Hill.
Mark Stevens (born Richard William Stevens; December 13, 1916 – September 15, 1994) was an American actor who appeared in films and on television. He was one of four men who played the lead role in the television series Martin Kane, Private Eye, appearing in 1953–54.
Emmet John Hughes (December 26, 1920 – September 18, 1982) was a foreign bureau chief for and article editor for Time-Life and an aide and speechwriter for U.S. President Dwight D. Eisenhower. His is also known for his 1962 memoir The Ordeal of Power, a scathing review that questioned Eisenhower's political smarts and depicted Eisenhower as ill-suited for the White House.