Stallone's first work as a director came in 1978 with "Paradise Alley", which he wrote and starred in. He also directed "Staying Alive" (the sequel to "Saturday Night Fever"), along with "Rocky II", "Rocky III", "Rocky IV", "Rocky Balboa", and "Rambo". Stallone wrote all six "Rocky" films, He also wrote "Cobra", "Driven" and "Rambo." He has co-written several other movies, such as "F.I.S.T.", "Rhinestone", "Over the Top" and the first three Rambo movies. His last major success as a co-writer was with 1993's "Cliffhanger".