A bumbling detective sent to investigate a murder at a ritzy home is replaced by a second investigator of mixed racial ancestry in this mystery involving an ancient Asian fan.
| Actor | Role |
|---|---|
 Lucien PrivalDr. Change Dorfman | Dr. Change Dorfman |
 Dorothy DwanPeggy Kendall | Peggy Kendall |
 Tom O'BrienSgt. O'Brien | Sgt. O'Brien |
 Rosemary ThebyMrs. Rossmore | Mrs. Rossmore |
 Carlton S. KingMr. Rossmore | Mr. Rossmore |
 Gladden JamesBertram Leslie | Bertram Leslie |
| DDavid FindlayJerry Carlyle | Jerry Carlyle |
| JJames WilcoxBob Kendall | Bob Kendall |
 Fred MalatestaThomas Elton | Thomas Elton |
| AAlice TrueLily | Lily |
| SSpencer BellArthur | Arthur |
| JJ.C. FowlerDr. Whalen | Dr. Whalen |
| LLotus LongFeliti--prologue | Feliti--prologue |
| FFujii KishiiOkuri--prologue | Okuri--prologue |
| WWing FooMen Ching--prologue | Men Ching--prologue |