In a large bowl combine iceberg lettuce, red cabbage, radishes, scallions, carrots, bell pepper and cilantro. Season with salt and pepper.
Make dressing: In measuring cup or bowl whisk together rice wine vinegar, soy sauce, sesame oil, olive oil, sugar and sambal oelek until smooth.
Divide among four individual serving bowls, and in each bowl add salad, vermicelli noodles and top with chicken. Drizzle all with dressing, and sprinkle with cashews an itchiban noodles if using.