The aliases of Tom Hanks, Jessica Alba, Daniel Craig and other celebrities were disclosed in a folder containing 'publicity bibles' for many recently-released movies by the studio, reported Ace Showbiz.
Fusion obtained the documents which were leaked by the hackers who called themselves Guardians of the Peace (GOP).
The documents contained contact information for directors, producers, publicists, cast members and crew, as well as some of the aliases the celebrities came up with when they wanted to check into hotels and reserved car services.
According to Fusion, Hanks used 'Harry Lauder' and 'Johnny Madrid', Alba went by 'Cash Money', while Craig's alias was 'Olwen Williams'.
Other actors' aliases which were disclosed by the documents included Tobey Maguire, who went by 'Neil Deep', Natalie Portman, who used 'Lauren Brown' and Sarah Michelle Gellar aka 'Neely O'Hara'.
Clive Owen used 'Robert Fenton', Rob Schneider went by 'Nazzo Good', Taye Diggs went by his real name 'Scott Diggs', Jude Law used 'Mr Perry', Ice Cube used his real name 'O'Shea Jackson' and 'Darius Stone', his character's name in 'XXX: State of the Union', while Debra Messing went by 'Ava Harper'.
The hackers previously leaked Sony's upcoming movies like 'Annie', 'Still Alice', 'Mr Turner' and 'To Write Love on Her Arms'. They also exposed James Franco and Seth Rogen's salary for their roles in 'The Interview'.