Mad scientist works on a death ray in his mountain hideaway.
| Actor | Role |
|---|---|
 Josephine DunnDoris Farrington | Doris Farrington |
 Jack MulhallDanny | Danny |
 Eddie BolandFreddie | Freddie |
 Marjorie BeebeGertrude | Gertrude |
 Martha MattoxThe Housekeeper | The Housekeeper |
 Mischa AuerHenry | Henry |
 Phillips SmalleyJudge Folger | Judge Folger |
 Crauford KentArnstein | Arnstein |
 Frank BallDr. Farrington | Dr. Farrington |
 Alfred CrossGoddard | Goddard |
| GGeorge ReedThe Taxi Driver (uncredited) | The Taxi Driver (uncredited) |