De Nationale Wetenschapsquiz
- Especial de TV
- 1999
- 1h 32min
Edith de Leeuw
- Self - Assistant
- (as Dr Edith de Leeuw)
Ian Young
- Self - Candidate (Scientists)
- (as Prof. Dr I.T. Young)
Christina Vandenbroucke-Grauls
- Self - Candidate (Scientists)
- (as Prof. Dr C. Vandenbroucke-Grauls)
Willem de Vos
- Self - Candidate (Scientists)
- (as Prof. Dr W.M. de Vos)
Salomon Kroonenberg
- Self - Candidate (Scientists)
- (as Prof. Dr S.B. Kroonenberg)
Jaap Dirkmaat
- Self - Candidate (Environmentalists)
- (as J. Dirkmaat)
Diederik Samsom
- Self - Candidate (Environmentalists)
- (as Ir D. Samsom)
Wijnand Duyvendak
- Self - Candidate (Environmentalists)
- (as W. Duyvendak)
Hans Revier
- Self - Candidate (Environmentalists)
- (as Drs J.M. Revier)
