import Foundation

let response = "[{\"name\": \"value\", \"age\": 30}, {\"name\": \"value2\", \"age\": 50}]"
let data: NSData! = response.dataUsingEncoding(NSUTF8StringEncoding)

var options = NSJSONReadingOptions.AllowFragments
var serializationError: NSError?
let json: AnyObject! = NSJSONSerialization.JSONObjectWithData(
    data,
    options: nil,
    error: &serializationError
)

var items = json as Array<Dictionary<String, AnyObject>>

for item in items {
    var name = item["name"]! as String
    var age = item["age"]! as Int
    
    println("\(name) - \(age)")
}