Jan Wieringa: Propmaker (Crew)1979-11-02

Jan Wieringa: Executive Producer (Production)2012-08-30

Jan Wieringa: Assistant Director (Directing)1981-11-19

Jan Wieringa: Associate Producer (Production)1985-02-24

Jan Wieringa: Producer (Production)1989-02-24

Jan Wieringa: Executive Producer (Production)