The trivia item below may give away important plot points.
Referenced in The Carol Burnett Show (1967) (September 13, 1975.) In the opening of a "Mama's Family" skit, Mama (Vicki Lawrence) is watching this movie on television when Eunice (Carol Burnett) visits, worried about Ed (Harvey Korman) spending time at a local massage parlor. Mama is more interested in finding out which mother's child is trapped on the mountain than in Eunice's troubles. Finally, after Mama relays the plot in some detail, an exasperated Eunice blurts out "It's Ruth Roman!"