I have six from GSN, the bold ones are your missing two.
[ABC/1963]Contestants: PAT CARROLL, Dillon, Smith, Roberts
[ABC/1964]Contestants: ELIZABETH ASHELY, Siciliano, Powell, Howell
[ABC/1964]Contestants: SALLY ANN HOWES, Siciliano, Basso, Hildebrand
[ABC/1964]Contestants: RODDY McDOWELL, Haas, Bang, Bodkar
[ABC/1964]Contestants: RITA MORENO, Lewis, Palm, Benneter
[ABC/1964]Contestants: JOSE FERRER, Gasser, Green, Batesky