What actors and actresses appeared in Le dernier complot de Staline - 2009?

The film you're referring to is likely called "The Death of Stalin" (2017) in English.

It is a satirical black comedy film directed by Armando Iannucci, and the main cast includes:

* Steve Buscemi as Nikita Khrushchev

* Simon Russell Beale as Lavrentiy Beria

* Paddy Considine as Georgy Malenkov

* Jeffrey Tambor as Vyacheslav Molotov

* Michael Palin as Anastas Mikoyan

* Jason Flemyng as Marshal Georgy Zhukov

* Rupert Friend as Vasily Stalin

* Olga Kurylenko as Maria Yudina

If you're looking for a different film titled "Le dernier complot de Staline," please provide more information.