If you want to begin your work with a beaded cast on this method is a fast and simple way to add beads. You need to begin with your beads pre-strung on your work and then you add them between your cast on stitches as frequently as you'd like. A similar method could be used for a variety of cast-ons, just sitting your beads between the stitches.
Why not try this technique in the following pattern:
Read more about knitting cast on methods.