William Ripley Dorr was an American music conductor who organized the St. Luke's Episcopal Church Choristers in 1930 in Long Beach, California, USA. The choir appeared or audio performed in dozens of Hollywood films from 1935 to 1951.

The Great Caruso
1951
The Great Caruso

Random Harvest
1942
Random Harvest

Mrs. Miniver
1942
Mrs. Miniver

Babes on Broadway
1941
Babes on Broadway

A Christmas Carol
1938
A Christmas Carol

The Prince and the Pauper
1937
The Prince and the Pauper

San Francisco
1936
San Francisco

A Tale of Two Cities
1935
A Tale of Two Cities