How old was Hugo Niebeling in La valse?

Merrill AshleyMerrill Ashley was >> in La valse

Birthday: Unknown Birthday

Jean-Pierre BonnefousJean-Pierre Bonnefous was 29 in La valse

Birthday: Sun, Apr 25 1943

Bart Robinson CookBart Robinson Cook was >> in La valse

Birthday: Unknown Birthday

Hugo NiebelingHugo Niebeling was 41 in La valse as 'Director'

Birthday: Mon, Feb 02 1931 –
Sat, Jul 09 2016

Maurice RavelMaurice Ravel would have been no older than 62 in La valse as 'Music'

Birthday: Sun, Mar 07 1875 –
Tue, Dec 28 1937