Whitmore appeared as General Oliver O. Howard in the 1975 television film "I Will Fight No More Forever", based on the 1877 conflict between the United States Army and the Nez Percé tribe, led by Chief Joseph. In 1979, Whitmore hosted a talk show of 22 episodes called simply "Comeback." One of those segments focuses on the helicopter inventor Igor Sikorsky. In 1980 he starred as Borski, a therapist treating imprisoned sex-offenders, in the made-for-television movie "Rage!" directed by William A. Graham.