What exactly is Doctor Who's 'Frighten Factor'? A diverse panel of experts try to answer the question.
| Actor | Role |
|---|---|
| SSimon OckendenNarrator | Narrator |
| PPeter CavannaNot listed | Not listed |
 Terrance DicksNot listed | Not listed |
| JJohn DorneyNot listed | Not listed |
| AAnnabel GibsonNot listed | Not listed |
| MMoray LaingNot listed | Not listed |
 Barry LettsNot listed | Not listed |
 Jim SangsterNot listed | Not listed |
 Tom SpilsburyNot listed | Not listed |
| PPeter WareNot listed | Not listed |