Tom and Jerry Meet Harry Potter

Tom and Jerry Meet Harry Potter is an animated film starring Tom and Jerry and crossover with Harry Potter produced by Warner Bros. Pictures.

Sypnosis
Tom and Jerry's lives change forever when they are whisked into the wizarding world and they must put aside their differences long enough to protect young wizard boy Harry Potter from the evil sorcerer Lord Voldemort.

Plot
Tom Cat is chasing Jerry Mouse up and down throughout the entire streets of London until one day, they are suddenly picked up at the local pub and they spend the night at the Magical Menagerie in Diagon Alley, where they are purchased by a man named Rubeus Hagrid accompanied by a boy who goes by the name of Harry Potter, an orphan who survived the deadly assault of an evil sorcerer, Lord Voldemort.

Tom and Jerry are shoved into a small cupboard under the stairs by Harry Potter's Uncle Vernon where they remain for a few short days and they also meet a snowy white owl named Hedwig. One day, as Harry gathers the three animals and his belongings and follows the Dursleys to the driveway and into the car, driving out of Privet Drive and off to King Cross Station, where they meet Rubeus Hagrid before they board the train called Hogwarts Express that will take Tom, Jerry and Harry Potter to Hogwarts School of Witchcraft and Wizardry.

Meanwhile, a trio of Siamese cats, Tin, Pan and Alley, Lord Voldemort's three henchcats, lurk in the shadows of Diagon Alley and King Cross Station, watching and secretly following Tom, Jerry, and Harry Potter as they are boarding the Hogwarts express train. When they see Harry, the cats immediately get on their broomsticks and fly off out of sight to report to their master, Lord Voldemort who had tried to kill the young boy years ago. Upon hearing about the news about Harry Potter arriving at Hogwarts school, the dark wizard decides to take his opportunity to seek his revenge on the boy.

Cast

 * Thomas 'Tom' Cat (voiced by Billy West) - male grey cat who, along with Jerry Mouse, is appointed by Albus Dumbledore to protect Harry Potter
 * Jerry Mouse (voiced by Samuel Vincent) - a brown mouse who, along with Tom Cat, is appointed by Albus Dumbledore to protect Harry Potter
 * Harry Potter (voiced by Daniel Radcliffe) - an orphaned wizard boy whose parents, James and Lily Potter, were killed by the evil sorcerer, Lord Voldemort when he was only a baby
 * Hermoine Granger
 * Ron Weasley - Harry's best friend
 * George and Fred Weasley - Ron's twin brothers
 * Ginny Weasly - Ron's sister.
 * Hedwig - a female snowy-white owl
 * Professor Snape
 * Draco Malfoy - an arrogant Slytherin student and Harry Potter's rival. Due to his snooty and snobbish attitude and insults towards Harry and his friends, Tom and Jerry angrily take an instant disliking to him.
 * Lucius Malfoy - Draco Malfoy's father
 * Professor Albus Dumbledore
 * Professor McGonagall
 * Rubeus Hagrid
 * Dolores Umbridge
 * Lord Voldemort - The main antagonist of the film. He is responsible for the deaths of many people, including Harry Potter's parents, James and Lily Potter.
 * Tin, Pan and Alley - Minor antagonists. The three cats serve as the henchmen for the evil sorcerer, Lord Voldemort.
 * Deatheaters
 * Dementors
 * Aragog
 * Fang
 * Fluffy the Three-Headed Dog
 * Uncle Vernon Dursley - he is Harry Potter's uncle who doesn't like Harry or approve of the wizarding world
 * Tuffy Mouse (voiced by Kath Soucie) - He is Jerry Mouse's nephew and the pet mouse of late Hufflepuff student Cedric Diggory. After his master was brutally killed by Peter Pettigrew in he Triwizard tournament, Tuffy joins Tom and Jerry to help them protect Harry Potter from Lord Voldemort
 * Cedric Diggory - Tuffy Mouse's master. He is a Hufflepuff student who was killed by Peter Pettigrew in the Triwizard tournament
 * Butch Dog (cameo) - he makes a cameo appearance at the Quidditch tournament along with Droopy Dog
 * Droopy Dog (cameo) - he makes a cameo appearance at the Quidditch tournament along with Butch Dog
 * Barney Bear (cameo) - he makes a cameo appearance at the Triwizard Cup tournament
 * Spike Bulldog (cameo) - he makes a cameo appearance at the Magical Menagerie along with his son Tyke
 * Tyke Bulldog (cameo) - he makes a cameo appearance at the Magical Menagerie along with his father Spike

Trivia

 * Barney Bear, Butch Dog, Droopy Dog Spike and Tyke Bulldog make a cameo appearance in the film
 * This crossover film is based on the Harry Potter book series by J.K. Rowling
 * To avoid confusion with Tom Riddle aka Lord Voldemort, Tom Cat is called Thomas throughout the film