<P> Margaret Ruth Kidder ( October 17 , 1948 -- May 13 , 2018 ) , professionally known as Margot Kidder , was a Canadian - American actress and activist . She rose to fame in 1978 for her role as Lois Lane in the Superman film series , alongside Christopher Reeve . </P>
<P> Margaret Ruth Kidder ( October 17 , 1948 -- May 13 , 2018 ) , professionally known as Margot Kidder , was a Canadian - American actress and activist . She rose to fame in 1978 for her role as Lois Lane in the Superman film series , alongside Christopher Reeve . </P>
who played lois lane in the original superman movie
who played lois lane in the original superman movie
Margaret Ruth Kidder
Margaret Ruth Kidder