Bill Condon Director, Screenwriter Liam Neeson Alfred Kinsey Actor Laura Linney Clara McMillen Actor Chris O'Donnell Wardell Pomeroy Actor Peter Sarsgaard Clyde Martin Actor Timothy Hutton Paul Gebhard Actor John Lithgow Alfred Sequine Kinsey Actor Tim Curry Thurman Rice Actor Oliver Platt Herman Wells Actor Dylan Baker Alan Gregg Actor Julianne Nicholson Alice Martin Actor William Sadler Kenneth Braun Actor Heather Goldenhersh Martha Pomeroy Actor John McMartin Huntington Hartford Actor Veronica Cartwright Sara Kinsey Actor Kathleen Chalfant Barbara Merkle Actor Dagmara Domińczyk Agnes Gebhard Actor Lynn Redgrave Cameo Appearance Actor Harley Cross Young Man in Gay Bar Actor Romulus Linney Rep. B. Carroll Reece Actor Katharine Houghton Mrs. Spaulding Actor John Epperson Effete Man in Gay Bar Actor Jefferson Mays Effete Man's Friend Actor Jenna Gavigan Joan Kinsey Actor Gail Mutrux Producer Michael Kuhn Executive Producer Francis Ford Coppola Executive Producer Bobby Rock Executive Producer Kirk D'Amico Executive Producer Frederick Elmes Cinematographer