EXCLUSIVE: Tom Hanks reveals the moment he knew Austin Butler was 'the guy' to play Elvis

When it comes to biopics, casting is crucial and while there are several examples where it

may not have worked out, the upcoming biopic based on the life of 'King of Rock and Roll',

Elvis Presley seems to be all that everyone is talking about.

The film stars Austin Butler as the famed American singer and the promos have shown his transformation.

The Baz Luhrmann directorial explores the life and music of the King of Rock and Roll and

also stars Tom Hanks as his enigmatic manager, Colonel Tom Parker.

The biopic will capture their relationship and while Butler has previously gushed about getting a chance to work with Hanks,

when asked how he felt about Austin's casting, Tom had a rather amazing moment to recall.

Revealing how he was convinced that Austin was the perfect choice for the role, Hanks said,