<P> Mr. Freeze is then detained in Arkham Asylum . Poison Ivy is also imprisoned in Arkham Asylum with a vengeful Mr. Freeze as her cellmate and he plans to get revenge on Poison Ivy for what she did to his wife . After Alfred is cured, everyone agrees to let Barbara stay at Wayne Manor . </P> <Ul> <Li> Arnold Schwarzenegger as Dr. Victor Fries / Mr. Freeze A Nobel Prize - winning molecular biologist and two - time Olympic decathlete who suffers a terrible accident while trying to cryogenically preserve his terminally ill wife . As a result, he is transformed into a criminal forced to live in a special sub-zero suit powered by diamonds . His goal is to hold Gotham to ransom in order to get the money he needs to complete his research to find a cure for his wife's disease . </Li> <Li> George Clooney as Bruce Wayne / Batman A billionaire industrialist who witnessed his parents' murder as a young boy . At night, Bruce becomes Batman, Gotham City's vigilante protector . Val Kilmer, who played the character previously in Batman Forever, was originally planned to reprise his role, but when he was cast in "The Saint" which conflicted with his work schedule, the actor couldn't play Batman again and Clooney was cast . <Ul> <Li> Eric Lloyd portrays him as a child in a flashback . </Li> </Ul> </Li> <Li> Chris O'Donnell as Dick Grayson / Robin The crime - fighting partner to Batman and ward of Bruce Wayne . He has begun to chafe against Batman's authority . </Li> <Li> Uma Thurman as Dr. Pamela Isley / Poison Ivy A botanist who becomes a crazed eco-terrorist after Woodrue attempts to kill her by pushing her into vials of chemicals, poisons and toxins, which replace her blood with aloe, her skin with chlorophyll and filled her lips with venom, making her kiss deadly . She also uses pheromones which make men fall in love with her . Julia Roberts, who worked with director Joel Schumacher in Flatliners, was heavily rumored to be in contention for the role, but the rumours were dismissed by Schumacher, saying that if she would have wanted to get the role, she would have called him . </Li> <Li> Alicia Silverstone as Barbara Wilson / Batgirl Her parents had previously died in a car accident . Alfred, her uncle, was very close to her mother, Margaret . She is Alfred's niece and is an orphan . </Li> <Li> Michael Gough as Alfred Pennyworth The trusted butler for Bruce Wayne and Dick Grayson . Alfred is dying of a rare disease from which Mr. Freeze's wife also suffers . He was later cured at the end . </Li> <Li> Pat Hingle as Commissioner James Gordon The police commissioner of Gotham City . He is close to Batman and informs him of numerous crimes . </Li> <Li> John Glover as Dr. Jason Woodrue / Floronic Man A deranged scientist who aims to create Venom - enhanced "supersoldiers" to sell to dictators and warlords in order to make millions . He is responsible for the creation of both Bane and, though unintentionally, Poison Ivy, the latter of whom kills him with a kiss from her toxic lips . This is the one of the instances where the character is portrayed as a normal human rather than a mutant . </Li> <Li> Elle Macpherson as Julie Madison Bruce Wayne's girlfriend . She proposes to Bruce, but he does not respond, fearing for her safety . </Li> <Li> Vivica A. Fox as Ms. B. Haven Mr. Freeze's sexy assistant who flirts with him once and only once in the film . He is unresponsive, as he is still in love with his wife . </Li> <Li> Vendela Kirsebom as Nora Fries Mr. Freeze's beloved cryogenically - frozen wife . </Li> <Li> Elizabeth Sanders as Gossip Gerty Gotham's top gossip columnist . </Li> <Li> Robert "Jeep" Swenson as Bane Poison Ivy's bodyguard and muscle, who was originally a scrawny serial killer . Transformed into an enormous abomination, which Woodrue dubbed a "super-soldier" by the strength - enhancing drug "Venom", he was seen getting Mr. Freeze's suit back from Arkham Asylum, as well as fighting against the main heroes several times . Despite holding his own against Batman and Robin on numerous occasions, he is eventually defeated by Robin and Batgirl after they find a way to stop the venom flow to his brain . Swenson was suggested for the role by one of the stuntmen of Batman Forever . Batman & Robin was Swenson's final film role, as he died from heart failure two months after the film's release . <Ul> <Li> Michael Reid MacKay portrays Antonio Diego </Li> </Ul> </Li> <Li> Jack Betts as Party Guest </Li> <Li> Patrick Leahy as himself </Li> <Li> Jesse Ventura as Arkham Asylum Guard </Li> <Li> Nicky Katt as Spike </Li> <Li> John Ingle as the Doctor </Li> </Ul> <Li> Arnold Schwarzenegger as Dr. Victor Fries / Mr. Freeze A Nobel Prize - winning molecular biologist and two - time Olympic decathlete who suffers a terrible accident while trying to cryogenically preserve his terminally ill wife . As a result, he is transformed into a criminal forced to live in a special sub-zero suit powered by diamonds . His goal is to hold Gotham to ransom in order to get the money he needs to complete his research to find a cure for his wife's disease . </Li> <Li> George Clooney as Bruce Wayne / Batman A billionaire industrialist who witnessed his parents' murder as a young boy . At night, Bruce becomes Batman, Gotham City's vigilante protector . Val Kilmer, who played the character previously in Batman Forever, was originally planned to reprise his role, but when he was cast in "The Saint" which conflicted with his work schedule, the actor couldn't play Batman again and Clooney was cast . <Ul> <Li> Eric Lloyd portrays him as a child in a flashback . </Li> </Ul> </Li>

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