Werner Herzog. Werner Herzog was 81 in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Narrator (voice)'.
Maurice Krafft. Maurice Krafft would have been no older than 45 in The Fire Within: A Requiem for Katia and Maurice Krafft 
Katia Krafft. Katia Krafft would have been no older than 49 in The Fire Within: A Requiem for Katia and Maurice Krafft Werner Herzog. Werner Herzog was 81 in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Director, Writer'
Henning Brümmer. Henning Brümmer was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Director of Photography'Julien Dumont. Julien Dumont was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Mandy Leith. Mandy Leith was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Peter Lown. Peter Lown was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Cedric Magnin. Cedric Magnin was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Alexandre Soullier. Alexandre Soullier was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Jess Winteringham. Jess Winteringham was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Producer'Cédric Chabloz. Cédric Chabloz was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Associate Producer'Marco Capalbo. Marco Capalbo was >> in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Editor'
Ernst Reijseger. Ernst Reijseger was 69 in The Fire Within: A Requiem for Katia and Maurice Krafft as 'Music'