Question: Do both films Goodbye Again (1961 Film) and The Mystery Of Pine Creek Camp have the directors that share the same nationality?
Answer: no

The screenplay was written by Samuel A. Taylor, based on the novel" Aimez- vous Brahms?" by Françoise Sagan. The film, released by United Artists, stars Ingrid Bergman, Anthony Perkins, Yves Montand, and Jessie Royce Landis