Charlie lives with his brother Jerry, who is also an actor. They both starred together on Sliders.
He is taller than his older brother Jerry. He is 6'4" but his brother is 6'3".
He and his co-star brother Jerry quit Sliders after the fourth season when the Sci-fi Channel wouldn't meet Jerry's demands to be made an executive producer of the show.
Charlie starred as "The Bachelor" on ABC in the spring of 2005.