With Kym, Working Actor, Union Delegate, Coach, Author of The Hollywood Survival Guide & Co-Owner of Secret Actor Society
http://www.hollywoodsguide.com

What is a co-star?
What is a guest star?
How many days do I have to work on a guest star contract?
How many days do I have to work on a co-star contract?
What is a top-of-show guest star?
Are co-stars different from guest stars?
Is guest stars a different role from a co-star?
What is better - a co-start credit or a guest star?
Can you explain the difference between a co-star and a guest star on a TV show?