Undercurrent (1946) is a film noir drama directed by Vincente Minnelli. The screenplay was written by Edward Chodorov, based on the novel You Were There by Thelma Strabel. The motion picture features Katharine Hepburn, Robert Taylor, Robert Mitchum, and others. Ann Hamilton (Katharine Hepburn) is a middle-aged bride who begins to suspect that her charming husband Alan Garroway (Robert Taylor) plans to murder her. Nor can she ignore the shadow of her brother-in-law Michael Garroway (Robert Mitchum), whom she's never met but has been told so much about.