Sylvester Stallone has announced in a letter to many sites that Curtis ("50 Cent") Jackson has replaced Forest Whitaker in The Expendables, as Whitaker had some schedule conflicts. Also, Stallone confirmed the cast to include:

Hale Caesar is Curtis Jackson

Toll Road (new character) is Randy Couture

Related: Every Action Star That Needs to Be in Expendables 4

Monroe is Eric Roberts

Tool (an ex-Expendable) is Mickey Rourke

Bao is Jet Li

Lee Christmas is Jason Statham

Lacy is Charisma Carpenter

Sandra is Giselle Itie (famous Brazilian actress)

And

Barney 'the schizo' Ross is Stallone.

Stallone's action adventure, which he is writing and directing, is set to be released April 23, 2010. The story follows a team of mercenaries on a mission to overthrow a South American dictator.