Who played weapons manufacturer Tony Stark in the 2008 film "Iron Man"?

Who played Sister Aloysius, the nun full of doubt about a priest, in the 2008 film "Doubt"? Which star appeared as foul-mouthed studio executive Les Grossman in the 2008 comedy "Tropic Thunder"? Who played aging wrestler Randy "The Ram" Robinson in the 2008 film "The Wrestler"? Who played Walt Kowalski, the owner of a 1972 Gran Torino, in the 2008 film "Gran Torino"? Woody Allen's 2008 film "Vicky Cristina ___" is named after its two heroines and which city? Which dog breed, whose name comes from the German word for "snout," produced the Best in Show winner at Crufts in 2008? The 2008 book "Giants" pairs Abraham Lincoln with which man, who first visited him in 1863 to discuss the treatment of… Michael Chabon's debut novel, filmed in 2008, is "The Mysteries of" which city?