Robert Warwick and Ivan F. Simpson made 6 films together, and the 3 rated ones average 7.13, 0.20 above their career marks. The best is The Adventures of Robin Hood at 7.9.

Robert Warwick averages 6.88, Ivan F. Simpson averages 6.99. Apart that suggests 6.94; together they average 7.13, a lift of +0.20.

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