A homicide detective suspects a playwright who bases his play on a murder.
| Actor | Role |
|---|---|
 Robert RockwellPolice Lt. Bill Peters | Police Lt. Bill Peters |
 Kent TaylorJed Kilgore | Jed Kilgore |
 Audrey LongMyra Peters | Myra Peters |
| KK. Elmo LoweJohn Webb | John Webb |
 Stanley WaxmanArthur Gentry | Arthur Gentry |
 John WhitneyRiley Wentworth | Riley Wentworth |
 Barbara BillingsleyRheta Mulford | Rheta Mulford |
 Ruthelma StevensMrs. Mannings | Mrs. Mannings |
| WWilliam GruenebergDetective Turner | Detective Turner |
 Christine LarsonBernice Andrews - Myra's Secretary | Bernice Andrews - Myra's Secretary |
 James CravenStage Actor Playing Philip Mannings | Stage Actor Playing Philip Mannings |
 William HaadeKennedy - Truck Driver | Kennedy - Truck Driver |
 Bill BaldwinParkson - Airport Ticket Agent | Parkson - Airport Ticket Agent |
 Theodore von EltzPhilip Mannings (as Theodor von Eltz) | Philip Mannings (as Theodor von Eltz) |
| SSidney MarionShuffalong (as Sid Marion) | Shuffalong (as Sid Marion) |
 Jack LarsonTommy (uncredited) | Tommy (uncredited) |
 Barbra FullerCorinne Hollister | Corinne Hollister |