There are several characters in the four Rambo films. Several of them appear in only one of the character and the basis of the Rambo saga. He is played by Sylvester Stallone in the films and voiced by Neil Ross in the animated series. Introduced in Rambo: First · Introduced in Rambo: The · Introduced in Rambo III. Sylvester Stallone Rambo · Richard Crenna Trautman · Brian Dennehy Teasle · Bill McKinney Kern · Jack Starrett Galt · Michael Talbott Balford. Action · In Thailand, John Rambo joins a group of missionaries to venture into war-torn Burma, With Sylvester Stallone, Julie Benz, Matthew Marsden, Graham McTavish. In Thailand, John Rambo joins a group of missionaries to venture into.