In the Cast window, you can view the cast in either the default List view or the Thumbnail view. (To change the default so that the Cast window opens in Thumbnail view, see Setting Cast window preferences.)
You can do the following in the Cast window:
To view the Cast window, select Window > Cast or press Control+3 (Windows) or Command+3 (Mac). If there is more than one cast in the movie, specify which Cast window to open by selecting a cast name from the Cast submenu.