The Great Mouse Detective II: The Rise to Return

The Great Mouse Detective meets An American Tail is an upcoming 2016 animated mystery film suggested by and adapted from the characters created by David Kirschner and Eve Titus. It will also be distributed between both Walt Disney Pictures and Don Bluth Films Inc.

Plot
In London, the United Kingdom, and the year 1897, the city of Mousedom, an old mouse named Franklin R. Frierson was returning to London to rejoin his grandson Norman, his brother Kay, and their cousin, Scotty Doneeta. After stepping off the foot step, he enters his home to celebrate his return with his grandsons and great nephew. Suddenly, the reunion is cut short when a shadow covers a door, revealing the shape of a bat, Fidget, as Norman, Kay and Scotty hide in their rooms, Franklin attempts to fight the bat, but Fidget takes him hostage, and Norman sends Kay and Scotty to follow the bat, and he sends an urgent letter to New York City asking for help as he prepares to go off to find Basil of Baker Street to give him the details.

Cast
John Cleese as Basil of Baker Street, London's famous detective living under the house of Sherlock Holmes.

Billy Connolly as Hiram Flaversham, London's beloved toymaker who recently returned to London from Scotland with his daughter.

Vivienne Jolie-Pitt as Olivia Flaversham, a 5-year-old female mouse of Scottish descent who is willing to help Basil with some cases. She is also Fievel's second girlfriend.

Hadley Belle Miller as Arden Flaversham, Olivia's adoptive 8-year-old older sister.

Livvy Stubenrauch as Samantha Flaversham, Olivia and Arden's twin cousin who goes with Olivia and Arden on their adventures.

Jim Cummings as Dr. David Q. Dawson, Basil's kindly assistant and the queen's 66th reignment from Afghanistan.

Noah Johnston as Norman Frierson, an 8-year-old boy mouse of Old English descent who's only hope is to save his grandfather from getting killed.

Jeremy Irons as Franklin R. Frierson, Norman's grandfather and hopes to reunite with him and Norman's companions.

Max Aguilera-Bratman as Fievel Mousekewitz, a 5-year-old male mouse who came with his sisters and friend to Britain to help Basil solve their case.

Lacey Chabert as Tanya Mousekewitz, Fievel's 12-year-old older sister who tagged along with Fievel to join them. She loves her brother a lot.

Lloyd Battista as Papa Mousekewitz, Fievel and Tanya's father.

Susan Silo as Mama Mousekewitz, Fievel and Tanya's mother.

Hardy Krüger Jr. as József G. Rathoug, A Hungarian sewer rat who is the main antagonist, and has many thugs when needed. He remembers his brother Ratigan so well, and vows to strike Basil for revenge.

Rene Auberjonois as Bob, one of Rathoug's accomplices.

Billy Zane as George, Rathoug's other accomplice.

Chuck McCann as Aller, one of the late Professor Ratigan's thugs who is now working for Rathoug.

Pat Musick as Tony Toponi, a teenage Italian mouse who takes a different path to defeat Rathoug and his men. He nicknamed Fievel "Filly".

John DiMaggio as Fidget, a peg-legged bat with a crippled wing who reforms in this film. John DiMaggio as

Tabitha St. Germain as Bridget, an Irish mouse activist who is Tony's love interest.

Tyree Brown as Kay, Norman's younger brother.

A.J. Tecce as Scotty Doneeta, Norman and Kay's cousin.

Alexander Garfin as Timmy Flaversham, Olivia and Arden's 9-year-old cousin to likes to flirt with girls.

Tina Flaversham, Timmy's twin sister and Olivia and Arden's mute cousin.

Mariel Sheets as Cholena, an 8-year-old Native Indian mouse princess and Fievel's first girlfriend. She meets him again before Rathoug gives his last will and stays with him even to the end at Basil's.

Cathy Cavadini as Yasha Mousekewitz, the Mousekewitz's cute little 1-year-old baby. Mama takes care of her most of the time.

Tress MacNeille as Mrs. Judson, Basil's landlady and maker of fine cheese crumpets.

Eve Brenner as Queen Mousetoria, the ruler of Mousedom and Queen of all Mouse citizens.

Tino Insana as Tiger, a large tabby cat who behaves like a dog and the Mousekewitz family's friend.

Charles Fleischer as Bill, a green lizard who works with a broom over his shoulder.

Maurice LaMarche as Red, one of Professor Ratigan's former thugs, and now working for the queen.

Tony Anselmo as Snakes, Ratigan's other former thug who currently works for the queen with Bill and Red.

Ian James Corlett as Pewee Pete, the youngest former thug who permanently works for the queen with Bill, Red, and Snakes.

Sean Pultz as Don the Pianist, Ratigan's other former thug who plays piano.

Brooke Klinger as Joanna, a 7-year-old girl mouse who is lost in the street and hopes to get help. She looks a lot like Tanya, but has short black hair and different clothing color.

Frank Welker as Toby, a hound dog owned by Sherlock Holmes and trained at the time by Basil.

Don Bluth as the Cafe Guy

Jennifer Hale as Ezmeralda, the lady who has missed her ring at the end of the movie, Hiram's new wife, and Olivia and Arden's new mother.

Trivia

 * This film is proudly dedicated to Basil's first voice actor, Barrie Ingham, who sadly passed away on January 23, 2015. He will be missed.