<P> The film was not originally written as a sequel to Honey, I Shrunk the Kids . Originally titled Big Baby, it was about a toddler who grew to giant size by a freak accident involving a growth ray and eventually terrorized Las Vegas in a non-violent, yet Godzillaesque way . Disney saw the possibilities of making this into a sequel to Honey and rewrote the script . Whereas most of the characters from Big Baby were rewritten as characters from Honey, I Shrunk the Kids, there was no character in the original that "Amy Szalinski" could replace, so she is seen going away to college in the beginning of the film . </P> <P> Rick Moranis returns from the original film to portray "wacky" inventor Wayne Szalinski . Also returning is his wife, Diane, who is portrayed by Marcia Strassman . Amy O'Neill and Robert Oliveri return to portray the Szalinski children, Amy and Nick . Nick has matured in his personality and interests since the last film . He is still considered "nerdy", but has taken more interest in girls and guitars . </P> <P> Casting director Renee Rousselot searched over 1,000 small children for someone to portray Adam, the newest addition to the Szalinski clan . She searched for mostly three - to four - year - old boys because a younger child was thought to be problematic . She came across twins Daniel and Joshua Shalikar, from New Jersey and immediately cast them in December 1990 . One twin would act in the morning, while the other was eating lunch or taking a nap . Baby consultant Elaine Hall Katz and director Randal Kleiser would plan the twins' scenes a week in advance . Tom Smith reported that, "On his own, Dan was almost too adventuresome to repeat one move, and Josh seemed very cautious . Put them together and they could do anything ." However, the film did have difficulties in working with such small children, and one crew member later remarked it was "like playing hopscotch on hot coals". At the time, the Shalikar twins were scheduled to appear in two more Honey films . They did appear once, but were recast in Honey, We Shrunk Ourselves . </P> <P> In the film, Nick has a crush on a girl named Mandy Park, played by Keri Russell in her first feature film . John Shea portrays Dr. Charles Hendrickson, who is scheming to get Wayne's control of the project, while Lloyd Bridges portrays Clifford Sterling, the owner of Sterling Labs . </P>

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