Robert Wagner Jonathan Hart Actor Stefanie Powers Jennifer Hart Actor Lionel Stander Max Actor David Spielberg Guest Star Nan Martin Guest Star Jared Martin Guest Star Tom Tarpey Guest Star Nancy Bleier Guest Star Vahan Moosekian Guest Star Wendell Wright Guest Star Jan Bina Guest Star Colleen Gaughan Guest Star Eduardo Ricard Guest Star Tybee Brascia Guest Star Lawrence Hertzog Writer John Patterson Director