In terms of the character itself, I can't really say that I find anything really difficult. I enjoy the character so much I don't perceive difficulty in trying to be him. It's just a matter of how do we get there.

Glass himself is a Buddhist. Glass reprised his role from Firefly in the film Serenity (2005). Since then Glass has appeared in dozens of television series including sitcoms such as Family Matters and the series Teen Angel where he played God's cousin Rod.

He is best known for his roles as the witty Det. "Ron" Glass (born July 10 1945) is an American actor. Ron Harris in the television sitcom Barney Miller (1975–1982) and as the spiritual Shepherd Derrial Book in the short-lived 2002 science fiction series Firefly and its sequel film Serenity.