Blind detective Duncan Maclain gets mixed up with enemy agents and murder when he tries to help an old friend with a rebellious stepdaughter.
| Actor | Role |
|---|---|
 Edward ArnoldDuncan 'Mac' Maclain | Duncan 'Mac' Maclain |
 Ann HardingNorma Lawry | Norma Lawry |
 Donna ReedBarbara Lawry | Barbara Lawry |
 Stephen McNallyGabriel Hoffman | Gabriel Hoffman |
 Katherine EmeryCheli Scott | Cheli Scott |
 Allen JenkinsMarty | Marty |
 Stanley RidgesHansen | Hansen |
 Reginald DennyStephen Lawry | Stephen Lawry |
 John EmeryPaul Gerente | Paul Gerente |
 Rosemary DeCampVera Hoffman | Vera Hoffman |
 Erik RolfBoyd | Boyd |
 Barry NelsonMr. Busch | Mr. Busch |
 Reginald SheffieldVictor | Victor |
 Steven GerayMr. Anderson | Mr. Anderson |
 Mantan MorelandAlistair | Alistair |
 Milburn StoneDetective Pete (Uncredited) | Detective Pete (Uncredited) |
 Marie WindsorActress at Rehearsal (Uncredited) | Actress at Rehearsal (Uncredited) |
| JJohn ButlerTaxi Driver (Uncredited) | Taxi Driver (Uncredited) |
| EEdward KilroyPilot (Uncredited) | Pilot (Uncredited) |
 Ivan MillerDetective Herman (Uncredited) | Detective Herman (Uncredited) |
 G. Raymond NyeHugo (Uncredited) | Hugo (Uncredited) |
 Frank M. ThomasPolice Lieutenant (Uncredited) | Police Lieutenant (Uncredited) |