never seen by them again. Igor #1 (portrayed by Mike Mazurki) - Dr. Balinkoff's assistant. Timothy - Dr. Balinkoff's pet parrot. The experiments of Dr. Balinkoff replaced Timothy's personality with that of a lion. Igor #2 - Dr. Balinkoff's pet capuchin monkey. Guests on Gilligan's Island In some episodes, there are different characters who appear on Gilligan's Island that are either visitors or have been on the unexplored parts of the island. They are listed in order of appearance: Jackson Farrell (portrayed by Larry Storch) – A bank robber on the lam plans to use the island as a hideout. Jungle Boy (portrayed by Kurt Russell) – A feral child who is found on the island in the first season episode "Gilligan Meets Jungle Boy" where all he can do is make bird noises and copy certain words. How he got on the island and how he was raised was not revealed in the episode. The castaways try to teach him human manners. Yet when he sees himself in a mirror by Ginger, he screams and runs out of the hut. The jungle boy shows Gilligan a natural helium outlet in the jungle which means the Professor decides to make a balloon out of the castaways' raincoats glued together with tree sap. By the time the Professor finishes his balloon, the jungle boy is shown wearing civilian clothes. As it ends up, the jungle boy unknowingly takes off in the balloon and lands on a Navy carrier. The radio news report states that he only knows the words "boy boy, girl girl, no no." Duke Williams (portrayed by Denny Miller) – A surfer who rides a tsunami from Hawaii and ends up on the island. Alexandre Gregor Dubov (portrayed by Harold J. Stone) – The castaways discover a reclusive, eccentric painter living on the island. El Presidente Pancho Hernando Gonzales Enrico Rodriguez of Ecuarico (portrayed by Nehemiah Persoff) – A Latin-American dictator is exiled on the island, foments a revolution and convinces Gilligan to become his puppet leader. Ivan and Igor (portrayed by Vincent Beck and Danny Klega) – Two Russian Cosmonauts in their space capsule land on the island. The Mosquitoes – A rock/pop group who came to the island to escape all their fans. A pastiche of The Beatles, they were annoyed into leaving by the castaways, who eventually got them to leave by the girls forming the