Character Relationship Map: One Is Guilty

Characters

• Sally Grey (played by Shirley Grey) — supporting

  Unemployed secretary from San Francisco, becomes a key suspect and ally in the Radford Arms case.

• Jack Allen (played by J. Carrol Naish) — supporting

  Victim's manager with a hostile demeanor and bodyguards, key suspect in the Radford Arms case.

• William Malcolm (played by Vincent Sherman) — supporting

  Unemployed nephew of caretaker, resident in the supposedly empty building.

• Wells Deveroux (played by Willard Robertson) — supporting

  Building owner and suspect in the Radford Arms murder case.

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Wells Deveroux → Sally Grey (Power Building Owner Vs. Secret Resident)
• Wells Deveroux → William Malcolm (Power Building Owner Vs. Secret Resident)

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Jack Allen → William Malcolm (Social Fellow Suspects)
• Jack Allen → Sally Grey (Social Fellow Suspects)
• Jack Allen → Wells Deveroux (Social Fellow Suspects)
• Sally Grey → William Malcolm (Alliance Fellow Residents)

Story Analysis

A methodical police investigation uncovers hidden clues and suspect motives within an abandoned high-rise apartment building.

Plot Progression

1. Arrival at Radford Arms
2. Uncovering Hidden Clues
3. Suspect Interrogations
4. Resolution of the Case