Private eye Jerry Church is hired by a criminal defense lawyer after five mobsters he has gotten acquitted are apparently strangled by a serial killer.
| Actor | Role |
|---|---|
 Patric KnowlesPrivate Detective Jerry Church | Private Detective Jerry Church |
 Lionel AtwillDr. Fish | Dr. Fish |
 Anne GwynneKit Logan Church | Kit Logan Church |
 Mantan MorelandHoratio B.Fitz Washington | Horatio B.Fitz Washington |
 Samuel S. HindsDudley Crispin | Dudley Crispin |
 Mona BarrieEileen Crispin | Eileen Crispin |
 Shemp HowardDet. Sgt. Sweeney | Det. Sgt. Sweeney |
 Paul CavanaghJohn Crispin | John Crispin |
 Edmund MacDonaldDet. Capt. Bill Hurd | Det. Capt. Bill Hurd |
 John GallaudetErnie Paul | Ernie Paul |
 William GouldDist. Atty. Mason | Dist. Atty. Mason |
 Leyland HodgsonThomas, the butler | Thomas, the butler |
 Matty FainTony Zarini | Tony Zarini |
 Mary GordonMrs. Scott | Mrs. Scott |
 Selmer JacksonJudge | Judge |
 Jan WileyLily | Lily |