Frank Lupo Creator, Writer Stephen J. Cannell Creator, Executive Producer, Writer George Peppard Col. John "Hannibal" Smith Actor Mr. T Sgt. Bosco "B.A." Baracus Actor Dirk Benedict Lt. Templeton Peck Actor Dwight Schultz Capt. H.M. "Howling Mad" Murdock Actor Marla Heasley Tawnia Baker Guest Star Sergio Calderon El Cajon , The Coffin Guest Star Marta Dubois Bobbi Cardina Guest Star Michael Preston Doyle Guest Star Don Pedro Colley Guest Star Barry Van Dyke Guest Star Erik Holland Guest Star John Ashley Producer Michael O'Herlihy Director