"Quantum Quest," the independently financed 3-D animated film being made in conjunction with NASA, has assembled its voice cast, which will include a pair of Captain Kirks and a pair of Darth Vaders. William Shatner, Chris Pine, James Earl Jones and Hayden Christensen will topline the voice cast of the $10 million pic that is being financed by Taiwanese toonshop Digimax. Samuel L. Jackson, Amanda Peet, Jason Alexander, Sandra Oh, Mark Hamill, Abigail Breslin and Spencer Breslin round out the voice cast. Apollo 11 astronaut Neil Armstrong also will lend his voice, marking his bigscreen debut.