The Dark at the Top of the Stairs

Released 1960
Stars Robert Preston, Dorothy McGuire, Eve Arden, Angela Lansbury, Shirley Knight
Directed by Delbert Mann

Simple, eloquent drama, set in 1920s Oklahoma, with Preston in top form as a traveling salesman caught in a passionless marriage. His relationships with wife McGuire, daughter Knight, and "friend" Lansbury are played out in a series of beautifully acted scenes. Poignant script by Irving Ravetch and Harriet Frank, Jr. , from William Inge's Pulitzer Prize-winning play.

Summary by Leonard Maltin
 
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