Sylvester McCoy. Sylvester McCoy was 81 in Doctor Who: Downtime as 'The Doctor'.
Nicholas Courtney. Nicholas Courtney would have been no older than 81 in Doctor Who: Downtime as 'Brigadier Lethbridge-Stewart'.
Elisabeth Sladen. Elisabeth Sladen would have been no older than 63 in Doctor Who: Downtime as 'Sarah-Jane Smith'.
Deborah Watling. Deborah Watling would have been no older than 69 in Doctor Who: Downtime as 'Victoria Waterfield'.
Jack Watling. Jack Watling would have been no older than 78 in Doctor Who: Downtime as 'Professor Travers'.
Beverley Cressman. Beverley Cressman was 44 in Doctor Who: Downtime as 'Kate Lethbridge-Stewart'.
Keith Barnfather. Keith Barnfather was 66 in Doctor Who: Downtime as 'Director, Producer'
Christopher Barry. Christopher Barry would have been no older than 88 in Doctor Who: Downtime as 'Director'Paul Cuthbert-Brown. Paul Cuthbert-Brown was >> in Doctor Who: Downtime as 'Producer'
Marc Platt
Ian Levine