Director and writer
Walter Lang averages 6.65, Lamar Trotti averages 6.76. Apart that suggests 6.71; together they average 6.70, a lift of 0.00.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| The Baroness and the Butler | 1938 | · | 800 | Director | Writer |
| Mother Wore Tights | 1947 | · | 879 | Director | Writer, Producer |
| When My Baby Smiles at Me | 1948 | · | 251 | Director | Writer |
| Cheaper by the Dozen | 1950 | 7.0 | 6,136 | Director | Writer, Producer |
| With a Song in My Heart | 1952 | 6.7 | 1,603 | Director | Writer, Producer |
| There's No Business Like Show Business | 1954 | 6.4 | 7,470 | Director | Writer |