Richard Chamberlain Dr. James Kildare Actor Raymond Massey Dr. Leonard Gillespie Actor Eddie Ryder Dr. Simon Agurski Actor Jud Taylor Dr. Thomas Geson Actor Joan Patrick Susan Deigh Actor Dan O'Herlihy Guest Star Herschel Bernardi Guest Star Clegg Hoyt Guest Star Lew Gallo Guest Star Maxine Stuart Guest Star Sandy Kenyon Guest Star Jean Inness Guest Star Della Sharman Guest Star Helen Wallace Guest Star James Callahan Guest Star Laurence Haddon Guest Star Ken Berry Guest Star Hayden Rorke Guest Star Carol Andreson Guest Star Gary Judis Guest Star Norman Felton Executive Producer Herbert Hirschman Producer David Victor Producer Elliot Silverstein Director Boris Sagal Director Buzz Kulik Director Lamont Johnson Director Paul Stanley Director John Brahm Director Paul Wendkos Director Archie L. Tegland Writer John Furia Writer John T. Kelley Writer Andy Lewis Writer Betty Andrews Writer E. Jack Neuman Writer Alvin Boretz Writer Sy Salkowitz Writer James Blumgarten Writer Mathilde Ferro Writer