Léon: The Professional (French: Léon; original US title: The Professional) is a 1994 English-language French thriller film written and directed by Luc Besson. The film stars Jean Reno as the titular mob hitman; Gary Oldman as corrupt DEA agent Norman Stansfield; a young Natalie Portman, in her feature film debut, as Mathilda, a 12-year-old girl who is taken in by the hitman after her family is murdered; and Danny Aiello as Tony, the mobster who gives the hitman his assignments.

Plot

Leone "Léon" Montana (Jean Reno) is a hitman (or "cleaner", as he refers to himself) living a solitary life...

Jean Reno ...
Léon

Gary Oldman Gary Oldman ...
Stansfield

Natalie Portman Natalie Portman ...
Mathilda

Danny Aiello Danny Aiello ...
Tony

Peter Appel Peter Appel ...
Malky

Willi One Blood Willi One Blood ...
1St Stansfield Man (as Willie One Blood)

Don Creech Don Creech ...
2nd Stansfield man

Keith A. Glascoe Keith A. Glascoe ...
3rd Stansfield man (Benny)

Randolph Scott Randolph Scott ...
4th Stansfield man

Michael Badalucco Michael Badalucco ...
Mathilda's Father

Ellen Greene Ellen Greene ...
Mathilda's Mother

Elizabeth Regen Elizabeth Regen ...
Mathilda's Sister

Carl J. Matusovich...