I used to be an insult comic, and I didn't end up liking the way that I felt about myself.

The most important thing is to have the conversation, and let people who do make mistakes feel comfortable enough to continue the conversation.

The biggest disabilities are when you sabotage yourself mentally, those personal demons that get on your shoulder and you can't shake 'em.

There was an agent who wanted to book me for Glee. He lied and said I could sing. He was like, "If you need a guy in a wheelchair who has a great voice, I've got your guy!" I was like, "What are you talking about?" .

I talk about Breaking Bad being the most brilliant show ever, and even minor characters have subtle nuances and are fully drawn.

Having a son with a disability helps makes Walter White a more sympathetic character. There's no story line that shows Walt Jr. going through the things that you go through as a teenager with a disability. It's always his relationship to other characters. That was my issue with it.

I haven't spoken to Oprah herself. She had so much going on, since her network show was wrapping up at the time we were shooting. I can't fault her for that.