Toub improvised and created a twitch for his Iron Man character, Yinsen.
Shaun was discovered as he worked as a real estate agent in Los Angeles.
Shaun has appeared in over 100 television episodes.
Shaun loves the outdoors, sports and music.
Shaun(On moving from independent films to blockbusters): I take jobs as they are. I don't pay too much attention. I've been doing this for 20 years now. You kind of get immune to it in a sense that you don't want to get too excited too early on, because you never know how it's going to turn out.