Mini bio of the life of actor Glenn Quinn who is probably most famous for his portrayal of Mark Healy on the popular '90s family sitcom Roseanne. Quinn also amassed a large fan base for his portrayal of Doyle, a half-demon, on Angel

This video was made using information and photos freely found on the internet. No copyright infringement intended. This video may not be re-uploaded by others. I created this video and recorded the audio and my voice may not be used by others.