Simon Templar has no real family, no real home and Simon Templar isn't even his real name. Yet Simon Templar , also known as the Saint for his use of creating false identities using the names of Catholic saints,is one of the world's most successful thieves. Slick, debonair and a master of disguise, Simon manages to outwit the police again and again. On his next job Simon is hired by the Russian Mafia to steal a cold fusion energy formula from scientist Emma Russel, however the mission backfires as he falls for the pretty, intelligent scientist. Simon and his new love must now manage to outwit the Russian Mafia and work out the energy formula before the worst happens and the US is affected forever.
 
http://www.imdb.com/title/tt0120053/