 | Adrian Bower | ... | Narrator (1 episode, 2006) |
| Jack Fortune | ... | Narrator (1 episode, 2006) |
| Richard Lintern | ... | Narrator (1 episode, 2006) |
| Janet McTeer | ... | Narrator (1 episode, 2006) |
| Andrew Armour | ... | Himself (1 episode, 2006) |
| Juliet Bennett | ... | Herself (1 episode, 2006) |
| Graham Cope | ... | Himself (1 episode, 2006) |
| Jack Copeland | ... | Himself (1 episode, 2006) |
| Susan Cope | ... | Herself (1 episode, 2006) |
| Irshaad Ebrahim | ... | Himself - London Sleep Centre Medical Director (1 episode, 2006) |
| Scott Falater | ... | Himself (1 episode, 2006) |
| Peter Fenwick | ... | Himself - Consultant Neuropsychiatrist (1 episode, 2006) |
| Julian Goose | ... | Himself - Defence Counsel (1 episode, 2006) |
| Pat Hurst | ... | Himself - Journalist (1 episode, 2006) |
| Cheryl Johnson | ... | Herself (1 episode, 2006) |
| Michael Kimerer | ... | Himself - Defence Attorney (1 episode, 2006) |
| Mark Mahowald | ... | Himself - Neurologist (1 episode, 2006) |
| Juan Martinez | ... | Himself - Prosecutor (1 episode, 2006) |
| Rollin McCraty | ... | Himself (1 episode, 2006) |
| Dean Mitchell | ... | Police Officer (1 episode, 2006) |
| Paul Pearsall | ... | Himself (1 episode, 2006) |
| Gary Schwartz | ... | Himself (1 episode, 2006) |
| Colin Shapiro | ... | Himself - University of Toronto Professor of Psychiatry (1 episode, 2006) |
| Dennis Watkins | ... | Himself (1 episode, 2006) |
| Magdi Yacoub | ... | Himself (1 episode, 2006) |
