Asked Dana on Twitter if he accepts fan mail, and super nice of him to respond and say not to send to Gersh Agency (the address listed), but INSTEAD to DPN Talent (his voice-over agency). He said "dpn is better to send to."
There you go!
DPN Talent
9201 W Olympic Blvd,
Beverly Hills, CA 90212
Autograph collection consists mostly of vintage bands, sports mascots, off TV, but on the road to getting more?