The actor, who recently played Judy Garland's estranged husband Sid Luft in 'Judy', is joining Maggie Gyllenhaal, Austin Butler and Tom Hanks in the cast ensemble.
Rufus Sewell will play Elvis Presley's father in Baz Luhrmann's new biopic.
The Brit will join Maggie Gyllenhaal, who was announced as Elvis' mother, Gladys, earlier this week (begin February 10).
Austin Butler was previously cast as Elvis, while Tom Hanks is set to play the King's longtime manager, Colonel Tom Parker.
The movie will focus on the rock icon's relationship with the man who steered his career.
Sewell recently won acclaim for playing Judy Garland's estranged husband Sid Luft in another biopic, "Judy".