Marvel Studios has revealed that Dominic Cooper (An Education, Tamara Drewe, Mamma Mia!) is joining the cast of Joe Johnston’s Captain America: The First Avenger, which will be shooting this summer in England, and is slated to debut in theaters on July 22, 2011.  Cooper joins a cast that includes Chris Evans, Hugo Weaving, Hayley Atwell, Sebastian Stan, Stanley Tucci, and Tommy Lee Jones (see “Tommy Lee Jones Confirmed”).

Cooper will portray the younger version of Howard Stark, the father of Tony Stark (aka Iron Man) and the founder of Stark Industries.  John Slattery (Mad Men) portrays the elder version of Howard Stark in the current box office blockbuster Iron Man 2.