David de Keyser and Tom Mankiewicz made 2 films together, averaging 6.78, 0.83 above their career marks. The best is Superman at 7.2.

Films together

1971 to 1978

Average together

6.78

2 rated, weighted 6.80

Lift

+0.83

apart 5.96

Best together

7.2

Superman

Apart against together+0.83 lift

5.70

6.21

Apart 5.96Together 6.78

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

Both careers by audience ratingDavid de KeyserTom MankiewiczTogether

Dot size shows audience votes; lines are rolling five-film averages. Films below the source vote floor are left out.

Film by film

Films with David de Keyser and Tom Mankiewicz

Diamonds Are Forever	1971	6.4	2,465	as Doctor	Writer
Superman	1978	7.2	4,458	as Warden (voice) (uncredited)	Writer