A young private detective takes on his first case, a young woman with amnesia who doesn't know why a gunman is trying to kill her but believes she might be involved in a murder.
| Actor | Role |
|---|---|
 Dennis DuganRichard 'Richie' Brockelman | Richard 'Richie' Brockelman |
 Lloyd BochnerDavenport | Davenport |
 Barbara BossonSharon Peterson | Sharon Peterson |
| HHelen Page CampMrs. Brockelman | Mrs. Brockelman |
| TTom FalkArt | Art |
 Norman FellMr. Brockelman | Mr. Brockelman |
 George FisherDave | Dave |
 Ted GehringIrv | Irv |
| SSharon GlessDarcy Davenport | Darcy Davenport |
 Robert HoganSergeant Ted Coppersmith | Sergeant Ted Coppersmith |
 Gloria LeRoyHooker | Hooker |
 Lew PalterJack | Jack |
 Suzanne PleshetteElizabeth Morton | Elizabeth Morton |
 Harold SylvesterRider | Rider |
 Hunter von LeerMarine | Marine |
| NNed WilsonMcNeil | McNeil |
 William WindomArthur Springfield | Arthur Springfield |
| WW.T. ZachaPrell | Prell |
 Michael TalbottMarine | Marine |