Facts:   - birth name: christopher robin olsen      - birth date: 19 september 1946    - name: christopher olsen , or chris olsen    - birth place: los angeles , california , usa    - yearsactive: 1948-1960   Based on these bullet points, write a short biography describing the life of christopher olsen -lrb- actor -rrb- .
Answer:
christopher olsen -lrb- born september 19 , 1946 -rrb- is a former american child actor .olsen is perhaps best known as the kidnapped boy in `` the man who knew too much '' .other roles include `` the fastest gun alive '' , with glenn ford ; `` return to warbow '' , with phil carey ; james mason 's son in `` bigger than life ; '' and robert stack 's son in `` the tarnished angels '' .he also appeared in numerous television series episodes , including `` cheyenne '' , `` lassie '' , `` the millionaire '' , `` make room for daddy '' , and `` the adventures of ozzie and harriet '' .