Horizon (1964) featured a cast of 68 tracked actors. Of these, 25 (68%) are still alive today and 12 have passed away. The oldest surviving cast member is David Attenborough, age 100. This TV series starred Richard Branson and Nicholas Soames.
68% still with us· verified cast37% of full cast · incl. 31 unverified
Survivorship
Cast Reunion Index: 68% still living
Avg. Age at Death: 79.6 yrs
Deaths by Year
1983
1989
2002
2008
2014
2020
2021
2023
2024
2025
Cast68 members
| Person | Character | Status | DOB | Age | DOD | Age in 1964 |
|---|---|---|---|---|---|---|
| Living | 18/07/1950 | 76 | — | 14 | ||
| Living | 12/02/1948 | 78 | — | 16 | ||
| Unverified | — | — | — | — | ||
| Living | 15/07/1940 | 86 | — | 24 | ||
| Living | 23/03/1937 | 89 | — | 27 | ||
| Unverified | — | — | — | — | ||
| Unverified | — | — | — | — | ||
| Living | 03/06/1945 | 81 | — | 19 | ||
| Living | 24/01/1947 | 79 | — | 17 | ||
| Deceased | 18/09/1961 | 62 | 07/04/2024 | 3 | ||
| Deceased | 03/10/1939 | 85 | 10/06/2025 | 25 | ||
| Unverified | — | — | — | — | ||
 Andrew Scott Narrator | Narrator | Living | 21/10/1976 | 49 | — | 49 |
 Helen McCrory Narrator | Narrator | Deceased | 17/08/1968 | 52 | 16/04/2021 | 52 |
 Dr Adam Rutherford Presenter | Presenter | Unverified | — | — | — | — |
 Hugo Speer Narrator | Narrator | Living | 17/03/1969 | 57 | — | 57 |
Gabriel Weston Presenter | Presenter | Unverified | — | — | — | — |
 David Harewood Narrator | Narrator | Living | 08/12/1965 | 60 | — | 60 |
 Giles Yeo Presenter | Presenter | Living | 01/05/1973 | 53 | — | 53 |
 Adam Pearson Presenter | Presenter | Living | 06/01/1985 | 41 | — | 41 |
 Chris van Tulleken Presenter | Presenter | Unverified | — | — | — | — |
 Daniel Kahneman Presenter | Presenter | Unverified | — | — | — | — |
Toby Macdonald Presenter | Presenter | Unverified | — | — | — | — |
Uta Frith Presenter | Presenter | Unverified | — | — | — | — |
 Xand van Tulleken Presenter | Presenter | Living | 18/08/1978 | 48 | — | 48 |
| Living | 08/05/1926 | 100 | — | 38 | ||
 Toby Jones Narrator | Narrator | Living | 07/09/1966 | 60 | — | 60 |
 Katherine Parkinson Narrator | Narrator | Living | 09/03/1978 | 48 | — | 48 |
| Unverified | — | — | — | — | ||
| Unverified | — | — | — | — | ||
| Unverified | — | — | — | — | ||
| Deceased | 16/12/1917 | 90 | 19/03/2008 | 47 | ||
Frank Gillard Narrator | Narrator | Unverified | — | — | — | — |
 Terrence Hardiman Trofim Lysenko | Trofim Lysenko | Deceased | 06/04/1937 | 86 | 08/05/2023 | 27 |
David Swift Vavilov | Vavilov | Unverified | — | — | — | — |
Simon Lack Zhukovskii | Zhukovskii | Unverified | — | — | — | — |
Richard Ireson Prezent | Prezent | Unverified | — | — | — | — |
George Cormack Michurin | Michurin | Unverified | — | — | — | — |
Forbes Collins Iakovlev | Iakovlev | Unverified | — | — | — | — |
Richard Beale Lysenko's father | Lysenko's father | Unverified | — | — | — | — |
Dilly Barlow Narrator | Narrator | Unverified | — | — | — | — |
 Zam Baring Narrator | Narrator | Unverified | — | — | — | — |
| Unverified | — | — | — | — | ||
Dilly Barlow Narrator | Narrator | Unverified | — | — | — | — |
 Ian Holm Narrator | Narrator | Deceased | 12/09/1931 | 88 | 19/06/2020 | 33 |
Michael Swann Narrator (voice) | Narrator (voice) | Unverified | — | — | — | — |
 Vernon Joyner Narrator (voice) | Narrator (voice) | Deceased | 16/12/1930 | 71 | 14/05/2002 | 34 |
John Slack Narrator (voice) | Narrator (voice) | Unverified | — | — | — | — |
Danny Wallace Presenter | Presenter | Unverified | — | — | — | — |
 Paul Vaughan Narrator (voice) | Narrator (voice) | Deceased | 24/10/1925 | 89 | 14/11/2014 | 39 |
 Lucian Msamati Narrator | Narrator | Living | 05/03/1976 | 50 | — | 50 |
 Jack Fortune Narrator (voice) | Narrator (voice) | Unverified | — | — | — | — |
Bill Paterson Narrator | Narrator | Unverified | — | — | — | — |
 Professor Brian Cox Presenter | Presenter | Living | 03/03/1968 | 58 | — | 58 |
 Bernard Hill Narrator | Narrator | Deceased | 17/12/1944 | 79 | 05/05/2024 | 20 |
 Jemma Redgrave Narrator (voice) | Narrator (voice) | Living | 14/01/1965 | 61 | — | 61 |
 Howard Lang Mr. Rothery | Mr. Rothery | Deceased | 20/03/1911 | 78 | 11/12/1989 | 53 |
 Ruth Wilson Narrator | Narrator | Living | 13/01/1982 | 44 | — | 44 |
Stephen Kemble Narrator | Narrator | Unverified | — | — | — | — |
 Derek Jacobi Narrator | Narrator | Living | 22/10/1938 | 87 | — | 26 |
| Deceased | 03/04/1925 | 88 | 14/03/2014 | 39 | ||
 Nicola Walker Narrator | Narrator | Living | 15/05/1970 | 56 | — | 56 |
| Self | Deceased | 12/07/1895 | 87 | 01/07/1983 | 69 | |
 Julian Assange Himself - Interviewed Guest | Himself - Interviewed Guest | Living | 03/07/1971 | 55 | — | 55 |
Dr Zoe Williams Herself - Presenter | Herself - Presenter | Living | 03/04/1980 | 46 | — | 46 |
 Hannah Fry Self - Presenter | Self - Presenter | Living | 21/02/1984 | 42 | — | 42 |
 Fergal Keane Self - Presenter | Self - Presenter | Living | 06/01/1961 | 65 | — | 3 |
| Self | Unverified | — | — | — | — |
