Irwin Allen seems to be inviting viewers into his creation. The Lost World is directed and produced by Irwin Allen, who also collaborated on the screenplay with Charles Bennett, drawing from Arthur Conan Doyle's novel. The cast includes Michael Rennie, Jill St. John, Claude Rains, David Hedison, Fernando Lamas, and Richard Haydn. It’s a CinemaScope production in De Luxe Color, featuring music by Paul Sawtell & Ber…