One of Our Dinosaurs Is Missing (1975) featured a cast of 36 tracked actors. Of these, 3 (9%) are still alive today and 31 have passed away. The oldest surviving cast member is Amanda Barrie, age 91. This film starred Derek Nimmo and Hugh Burden.
9% still with us· verified cast8% of full cast · incl. 2 unverified
Survivorship
Cast Reunion Index: 9% still living
Avg. Age at Death: 79.9 yrs
Deaths by Year
1976
1990
2000
2010
2026
Cast36 members
| Person | Character | Status | DOB | Age | DOD | Age in 1975 |
|---|---|---|---|---|---|---|
 Derek Nimmo Lord Southmere | Lord Southmere | Deceased | 19/09/1930 | 68 | 24/02/1999 | 45 |
 Hugh Burden Haines | Haines | Deceased | 03/04/1913 | 72 | 17/05/1985 | 62 |
 Bernard Bresslaw Fan Choy | Fan Choy | Deceased | 25/02/1934 | 59 | 11/06/1993 | 41 |
 Helen Hayes Hettie | Hettie | Deceased | 09/10/1900 | 92 | 17/03/1993 | 75 |
 Joan Sims Emily | Emily | Deceased | 09/05/1930 | 71 | 27/06/2001 | 45 |
 Deryck Guyler Harris | Harris | Deceased | 29/04/1914 | 85 | 07/10/1999 | 61 |
 Clive Revill Quon | Quon | Deceased | 18/04/1930 | 94 | 11/03/2025 | 45 |
 Molly Weir Scots Nanny | Scots Nanny | Deceased | 17/03/1910 | 94 | 28/11/2004 | 65 |
 Max Wall Juggler | Juggler | Deceased | 12/03/1908 | 82 | 22/05/1990 | 67 |
 Natasha Pyne Susan | Susan | Living | 09/07/1946 | 80 | — | 29 |
 Joss Ackland B.J. Spence | B.J. Spence | Deceased | 29/02/1928 | 95 | 19/11/2023 | 47 |
 Peter Ustinov Prince John/ Hnup Wan ''Hunp'' | Prince John/ Hnup Wan ''Hunp'' | Deceased | 16/04/1921 | 82 | 28/03/2004 | 54 |
 Jon Pertwee Colonel | Colonel | Deceased | 07/07/1919 | 76 | 20/05/1996 | 56 |
 Joan Hickson Mrs Gibbons | Mrs Gibbons | Deceased | 05/08/1906 | 92 | 17/10/1998 | 69 |
 Amanda Barrie Mrs BJ Spence | Mrs BJ Spence | Living | 14/09/1935 | 91 | — | 40 |
 Percy Herbert Mr Gibbons | Mr Gibbons | Deceased | 31/07/1920 | 72 | 06/12/1992 | 55 |
 Arthur Howard Thumley | Thumley | Deceased | 18/01/1910 | 85 | 18/06/1995 | 65 |
 John Laurie Jock | Jock | Deceased | 24/03/1897 | 83 | 23/06/1980 | 78 |
Max Harris Truscott | Truscott | Unverified | — | — | — | — |
Andrew Dove Lord Castleberry | Lord Castleberry | Unverified | — | — | — | — |
 Frank Williams Dr. Freemo | Dr. Freemo | Deceased | 02/07/1931 | 90 | 26/06/2022 | 44 |
 Aimée Delamain Millicent | Millicent | Deceased | 21/04/1906 | 93 | 18/06/1999 | 69 |
 Roy Kinnear Superintendent Grubbs | Superintendent Grubbs | Deceased | 08/01/1934 | 54 | 20/09/1988 | 41 |
Leonard Trolley Inspecter Eppers | Inspecter Eppers | Deceased | 01/01/1918 | 87 | 10/02/2005 | 57 |
Joe Ritchie Cabbie | Cabbie | Deceased | 14/11/1910 | 77 | 11/02/1988 | 65 |
 Angus Lennie Hamish | Hamish | Deceased | 18/04/1930 | 84 | 14/09/2014 | 45 |
 Kathleen Byron Colonel's Wife | Colonel's Wife | Deceased | 11/01/1921 | 88 | 18/01/2009 | 54 |
 Lucy Griffiths Amelia | Amelia | Deceased | 24/04/1919 | 63 | 29/09/1982 | 56 |
 John Bardon Bookmaker | Bookmaker | Deceased | 25/08/1939 | 75 | 12/09/2014 | 36 |
 Jane Lapotaire Miss Prescott | Miss Prescott | Deceased | 26/12/1944 | 81 | 05/03/2026 | 31 |
 Richard Pearson Sir Geoffrey | Sir Geoffrey | Deceased | 02/08/1918 | 93 | 02/08/2011 | 57 |
 Michael Elwyn Haycock | Haycock | Living | 23/08/1942 | 84 | — | 33 |
 Anthony Sharp Home Secretary | Home Secretary | Deceased | 16/06/1915 | 69 | 23/07/1984 | 60 |
 Wensley Pithey Bromley | Bromley | Deceased | 20/01/1914 | 79 | 10/11/1993 | 61 |
 Peter Madden Sanders | Sanders | Deceased | 09/08/1904 | 71 | 24/02/1976 | 71 |
 Erik Chitty Museum Guard | Museum Guard | Deceased | 08/07/1907 | 70 | 22/07/1977 | 68 |