John Mahoney in Atlantis - L'impero perduto (2001)

Jim Varney in Atlantis - L'impero perduto (2001)

David Ogden Stiers in Atlantis - L'impero perduto (2001)

Florence Stanley in Atlantis - L'impero perduto (2001)

The film's tender pop ballad, "Where the Dream Takes You," was recorded by A & M/Interscope recording artist Mya (left) and written by multiple Oscar®-nominated songwriter Diane Warren 

Acclaimed composer James Newton Howard, who has scored more than 65 feature films and earned six Academy Award® nominations, wrote the sweeping, emotion-filled score.

James Garner in Atlantis - L'impero perduto (2001)

Carla Gugino at an event for Atlantis - L'impero perduto (2001)

Claudia Christian at an event for Atlantis - L'impero perduto (2001)

Lenny Kravitz, Rainbow Sun Francks, and Cree Summer at an event for Atlantis - L'impero perduto (2001)

David Hasselhoff at an event for Atlantis - L'impero perduto (2001)

Michael J. Fox, James Garner, Claudia Christian, and Cree Summer in Atlantis - L'impero perduto (2001)

Cree Summer in Atlantis - L'impero perduto (2001)

Michael J. Fox and John Mahoney in Atlantis - L'impero perduto (2001)

Corey Burton in Atlantis - L'impero perduto (2001)

Michael J. Fox and Cree Summer in Atlantis - L'impero perduto (2001)

Michael J. Fox in Atlantis - L'impero perduto (2001)

Michael J. Fox, James Garner, and John Mahoney in Atlantis - L'impero perduto (2001)

The state-of-the-art submarine "Ulysses" is in final stages of preparation for its maiden voyage to find a lost world.

The ancient civilization of Atlantis experiences a natural catastrophe when it abuses its superior powers.

Museum cartographer/linguist Milo Thatch finds that his bosses are unwilling to hear his theories about finding Atlantis.

Milo Thatch (center), a linguistics expert with a lifelong fascination in Atlantis, meets his shipmates -- dirt-loving geologist Gaetan Moliere (left) and the gentle Dr. Sweet (right).

A team of daredevil explorers observes the wonders of an undersea world from the bridge of their state-of-the-art submarine, the "Ulysses."

The "Ulysses" (center, above the leviathan), a state-of-the-art submarine carrying a team of daredevil explorers on a mission to find Atlantis, makes its way across the bottom of the ocean.

A ferocious mechanical crustacean-like creature called the leviathan guards the entryway to Atlantis and attacks the submarine carrying Rourke and his team.

Cartographer/linguistics expert Milo Thatch (center) uses an ancient book called "The Shepherd's Journal" as his guide to unraveling the mysteries of Atlantis.

Milo Thatch (left), who has devoted his life to studying Atlantis, uses a mysterious ancient book called "The Shepherd's Journal" to guide Commander Rourke (right) and his lieutenant, Helga Sinclair (center), to the lost city.

A team of explorers, including (left to right) Helga, Moliere, Commander Rourke, Cookie, Milo Thatch, Dr. Sweet, Audrey, Vinny, and Mrs. Packard, stand on the brink of a startling discovery when they journey through a crevice in the ocean floor to reach a lost civilization.

Michael J. Fox, Jacqueline Obradors, Corey Burton, Phil Morris, and Don Novello in Atlantis - L'impero perduto (2001)

Michael J. Fox, Jacqueline Obradors, Corey Burton, Phil Morris, and Cree Summer in Atlantis - L'impero perduto (2001)

Michael J. Fox, Leonard Nimoy, James Garner, John Mahoney, David Ogden Stiers, Jim Varney, Jacqueline Obradors, Steven Barr, Corey Burton, Claudia Christian, Jim Cummings, Phil Morris, Don Novello, Patrick Pinney, Florence Stanley, Cree Summer, and Natalie Strom in Atlantis - L'impero perduto (2001)

Michael J. Fox, Corey Burton, Phil Morris, Don Novello, and Cree Summer in Atlantis - L'impero perduto (2001)