In 1941, Werner Heisenberg, the Nobel Prize-winning scientist leading the Nazi's atomic bomb research team, visits his old mentor and friend, Niels Bohr, perhaps with a view to finding out how far the other side's research has gone.
| Name | Type | Role | |
|---|---|---|---|
| Michael Frayn | Writer | ||
| Stephen Rea | Guest Star | ||
| Daniel Craig | Guest Star | ||
| Francesca Annis | Guest Star | ||
| Howard Davies | Director |