CREATE TABLE table_3388 ("Episode #" TEXT, "Original Air Date  ( UK ) " TEXT, "Episode Title" TEXT, "Director" TEXT, "Writer" TEXT, "Cast" TEXT)

For episode number 2-03, what are the names of the cast?
SELECT "Cast" FROM table_3388 WHERE "Episode #" = '2-03'
SELECT "Cast" FROM "table_3388" WHERE "Episode #" = '2-03'