![](https://image.tmdb.org/t/p/w92/dfOfrfrWFMVBdiM4gYCAlmYxCpG.jpg)
Sidney Toler
Charlie Chan
![](https://image.tmdb.org/t/p/w92/4NBsPZcoERIJNvMqJN6lyO7gm87.jpg)
Benson Fong
Tommy Chan
![](https://image.tmdb.org/t/p/w92/vYiDWkMSg7KMip900nozgTl6bld.jpg)
Mantan Moreland
Birmingham Brown, Chauffeur
![](https://image.tmdb.org/t/p/w92/4milvzRXMyVrDsVNdZ70pQwyPx.jpg)
Robert Homans
Capt. Flynn
![](https://image.tmdb.org/t/p/w92/aJQgLRwLuGXlWuTmIYWpqPeYXvI.jpg)
I. Stanford Jolley
Rolf Brot, alias Ralph Brett
![](https://image.tmdb.org/t/p/w92/plkkPOoTu5qc6i1K9wRJXyoUgq2.jpg)
Virginia Brissac
Mrs. Marsh
![](https://image.tmdb.org/t/p/w92/feEYJSZcbT7RjKZQewjuFw6hboB.jpg)
Jack Norton
Willie Rand
![](https://image.tmdb.org/t/p/w92/47BsrMS5YJQuxDndgQL7oDKgVjZ.jpg)
Janet Shaw
Gloria Bayne
![](https://image.tmdb.org/t/p/w92/upWXsOJq9km4jViIh8hxFIBdoWN.jpg)
Ben Carter
Ben Carter
Victoria Faust
Hulda Swenson / Janet Carter
Helen Deverell
Diane Hall
![](https://image.tmdb.org/t/p/w92/12bOGibEq5abJtGpMgcVK2Zfes6.jpg)
Reid Kilpatrick
Mr. Chester, program announcer
![](https://image.tmdb.org/t/p/w92/gKDRfOG9zZ5lOrNceUSIDI4ZbUh.jpg)
Emmett Vogan
Mr. Hamilton
![](https://image.tmdb.org/t/p/w92/sr7w4pz19imDbkJRphnxL3epfYF.jpg)
Crane Whitley
Henchman Cooper
![](https://image.tmdb.org/t/p/w92/ySYOyu33H4ERM4dUeYj4rn7Sy1Q.jpg)
Kernan Cripps
Detective (uncredited)
![](https://image.tmdb.org/t/p/w92/29xaLlK2VIGn2AmNtAxUOFK3kHm.jpg)
Charles Jordan
Nelson (uncredited)
![](https://image.tmdb.org/t/p/w92/mz41FbZ3IlzpcLBI0IxjS3Jr1lB.jpg)
Kenner G. Kemp
Police Radio Expert (uncredited)
![](https://image.tmdb.org/t/p/w92/hhWsIJNBO0ENVbfExPL6EqlZJUD.jpg)
Milton Kibbee
Herbert Sinclair (uncredited)
![](https://image.tmdb.org/t/p/w92/mQrCpMdK3THFcD68WcRdE9vBgiH.jpg)
Frank Mayo
Det. Hodge (uncredited)
![](https://image.tmdb.org/t/p/w92/gODC8yLtVXYypdqQcE01I2IFqfO.jpg)
Leonard Mudie
Horace Karlos (uncredited)
Tom Quinn
Chemist (uncredited)
![](https://image.tmdb.org/t/p/w92/9grMCbCJKbfyLgFQK6XqkWOhZ12.jpg)
Charles Sherlock
Sgt. McGraw (uncredited)
![](https://image.tmdb.org/t/p/w92/1lp2E3XDHVCryvHOCwq76CAclne.jpg)
Charles Wagenheim
Rausch (uncredited)