Stephen Tobolowsky as Warren Singleton Jim Norton as Dr. Bernard Wachs Pat Skipper as Morrissey Paul Perri as Gomez Richard Epcar as Tyler Steven Barr as Clellan Gregory Paul Martin as Richard Patricia Heaton as Ellen Barry Kivel as a Drunk businessman Donald Li as a Cab driver Rosalind Chao as Cathy DiTolla Jay Gerber as Roger Whitman Shay Duffin as Patrick, the bartender Edmund L. Shaff as Edward Schneiderman Sam Anderson as Chairman of the House Committee Elaine Corral as News anchor Ellen Albertini Dow as Mrs. Coulson Jonathan Wigan as a Delivery boy I.M. Hobson as Maitre d' Rip Haight* as a Helicopter pilot Aaron Lustig as a Technician * Pseudonym for John Carpenter. Production Development In 1986, Harry F. Saint's Memoirs of an Invisible Man was still unfinished when Hollywood agent William Morris gave it to Chevy Chase to read. The actor instantly got interested, which led to a bidding war among studios. Warner Bros paid $1.35 million for the film rights. William Goldman was assigned to write the screenplay in the mid 1980s, by which time Ivan Reitman was attached to direct. It was Goldman's first screenplay after what he called his "leper" period when he was in no demand to write scripts; he attributes his comeback to being represented by CAA. The project was largely a vanity project shepherded by Chase through the studio (the film is billed as "A Cornelius Production" – Cornelius is Chevy Chase's real first name). He wanted to make a film about the loneliness of invisibility, intending the film to be a bridge into less comedic roles. Goldman did three drafts of the script and Warners was prepared to greenlight the film. However Chase was unhappy with the script. Reitman wanted to proceed with the script but the studio backed Chase and Reitman left the project. Goldman also left the project saying "I'm too old and too rich for this shit." He later said that Mark Canton, head of the studio, did not pay the writer for all his work causing Goldman to initiate a lawsuit against them. Chase found Goldman's script too comedic, "Clark Griswold becoming invisible", and sought screenwriters to rework it, reportedly to do something "more serious, with more adventure", eventually approaching Dana Olsen and Robert Collector. Richard Donner was attached to direct for eight months given his experience with visual effects, something that made various potential