It would also be beneficial to have a passion for the casino industry, an interest in the games offered, and the bustling environment you find yourself to be working in. As a minimum, you're generally expected to have GCSE grades between three and five, including a strong grade in maths. Unlike many other career paths, becoming a casino dealer does not require any specific education or qualifications. Have the right skill set, passion and interests If you're interested in how to become a casino dealer, here are some steps to follow: 1.