In while acting, Lynch was also a musician and played the saxophone, guitar, piano, and flute. He also enjoyed fishing, poetry, and architecture. He held Republic of Ireland citizenship through his Irish born parents and was a frequent visitor to Ireland. With Barry, the two brothers starred together in the films "Nightforce" and "Total Force". Lynch's wife Lily starred with him in the film "Breaking the Silence" (1998) and son Christopher Lynch starred with him in the science fiction film "Trancers II". 