Sidney Toler
Charlie Chan
Benson Fong
Tommy Chan
Mantan Moreland
Birmingham Brown, Chauffeur
Robert Homans
Capt. Flynn
I. Stanford Jolley
Rolf Brot, alias Ralph Brett
Virginia Brissac
Mrs. Marsh
Jack Norton
Willie Rand
Janet Shaw
Gloria Bayne
Ben Carter
Victoria Faust
Hulda Swenson / Janet Carter
Helen Deverell
Diane Hall
Leonard Mudie
Horace Karloss
Reid Kilpatrick
Mr. Chester, program announcer
Emmett Vogan
Mr. Hamilton
