What Genre Is It? Noir/Thriller Why Watch Undercurrent? Katherine Hepburn, Robert Taylor, Robert Mitchum, Marjorie Main, and Edmund Gwenn star in this thrilling noir. Ann Hamilton (Katherine Hepburn) adores her father (Edmund Gwenn) and enjoys helping him with his work. She is happy with her single life until one night when Alan Garroway (Robert Taylor) comes to see her father about a business venture. Suddenly, romance blossoms, and before long, Ann agrees to marry Alan. The newlywed couple set off for their home in Washington, D.C. Ann’s life seems perfect at first. Until, Alan pushes her in front of his society without first allowing her to prepare. She comes across…