 In the late 1960s, Vincent was signed to Universal Studios and appeared in several television series.He made an appearance in the "Dragnet 1968" episode "The Grenade", as a muscular high school student who suffered an acid attack by a mentally unstable classmate (played by Mickey Sholdar).Vincent also appeared in the "Danger Island" segments of Hanna-Barbera's "The Banana Splits" series as Link (1968–1969).