Garrison was known for his role as Tommy in the film "The Karate Kid" (1984) and its spinoff series "Cobra Kai." He began acting at Wheeling Park High School (Class of 1978) and later studied theater on a full scholarship at Ohio University. He continued his acting career in the 1980s and 1990s, appearing in various films and TV shows such as "Brubaker," "The Karate Kid Part II," and "MacGyver." Garrison passed away on September 27, 2019, at the age of 59, after battling kidney and liver issues. (https://rb.gy/zzgyr) (https://rb.gy/dz5vg)