John Stuart and Val Guest made 2 films together, and the 1 rated one averages 6.40, 0.09 above their career marks. The best is Quatermass 2 at 6.4.

John Stuart averages 6.46, Val Guest averages 6.16. Apart that suggests 6.31; together they average 6.40, a lift of +0.09.

Lift is the average of their films together minus the mean of their two career averages.