Sidney Lumet Director Henry Fonda Lewis Easton Actor Susan Strasberg Eva Lovelace Actor Joan Greenwood Rita Vernon Actor Herbert Marshall Robert Harley Hedges Actor Christopher Plummer Joe Sheridan Actor Daniel Ocko Constantine Actor Pat Harrington Sr. Benny Actor Frank Campanella Victor Actor John Fiedler Adrian Actor Pat Englund Gwen Hall Actor Jack Weston Frank Actor Sally Gracie Elizabeth Actor Nina Hansen Regina Actor Harold Grau Stage Doorman Actor Leon Bibb Guitar Player (uncredited) Actor Estelle Richie Nebraska Woman (uncredited) Actor Clint Young Tom, the Chauffeur (uncredited) Actor Hilda Haynes Easton's Maid (uncredited) Actor Roger C. Carmel Stagehand (uncredited) Actor Stuart Millar Producer William Dozier Executive Producer Augustus Goetz Screenwriter Ruth Goetz Screenwriter Alex North Original Music Maurice Hartzband Cinematographer Franz Planer Cinematographer Stuart Gilmore Film Editing Kim Swados Production Design Moss Mabry Costume Design