Most Frequent Guests on BBC Question Time

The most frequently-featured guests by party are:

Conservatives
Ken Clarke (10)
Theresa May (8)
Sayeeda Warsi (7)
Iain Duncan Smith (6)
Liam Fox (6)

Labour
Caroline Flint (10)
Peter Hain (8)
Diane Abbott (7)
Andy Burnham (7)
Alan Johnson (7)

Liberal Democrats
Vince Cable (12)
Chris Huhne (7)
Shirley Williams (7)
Paddy Ashdown (6) Menzies Campbell (6) Charles Kennedy (6) Simon Hughes (6) Jo Swinson (6) Sarah Teather (6)

Others
Nigel Farage (11)
Caroline Lucas (8)
Nicola Sturgeon (7)
Elfyn Llwyd (5)
George Galloway (4) Alex Salmond (4) Leanne Wood (4)

The overall top five looks like this:

Vince Cable (12)
Nigel Farage (11)
Ken Clarke (10)
Caroline Flint (10)
Peter Hain (8) Caroline Lucas (8) Theresa May (8)