Hercule Poirot (played by Austin Trevor) is a protagonist in Alibi.
A celebrated French detective renowned for his meticulous deduction and psychological insight. Stars as the protagonist in both Alibi and Black Coffee, systematically unraveling complex murders through logic and observation. Sir Roger Ackroyd (played by Franklin Dyall) is a protagonist in Alibi.
A wealthy and respected local figure whose murder in Alibi serves as the central catalyst for the investigation. His death exposes hidden secrets within his household. Ursula Browne (played by Elizabeth Allan) appears in Alibi.
A young woman entangled in the Ackroyd household's affairs. Her past connections and romantic involvement with Ralph make her a key suspect and emotional focal point in Alibi. Dr. Sheppard (played by J.H. Roberts) appears in Alibi.
A local physician and resident of the Ackroyd household. Acts as Poirot's primary assistant and confidant, while his own concealed past plays a critical role in the narrative. Ralph Ackroyd (played by Ronald Ward) appears in Alibi.
The stepson of Sir Roger Ackroyd. Financially strained and romantically linked to Ursula Browne, his precarious position makes him a prime suspect in his stepfather's murder. Mrs. Ackroyd (played by Mary Jerrold) appears in Alibi.
Sir Roger's sister and the matriarch of the household. She maintains order within the home and serves as a key witness, deeply invested in protecting her brother's legacy and family stability. Insp. Davis (played by Harvey Braban) appears in Alibi.
The local police inspector responsible for initial crime scene management and suspect interrogation. Represents official law enforcement, often contrasting with Poirot's unconventional methods.
Alibi (1931) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Hercule Poirot
(played by Austin Trevor) — protagonist
A celebrated French detective renowned for his meticulous deduction and psychological insight. Stars as the protagonist in both Alibi and Black Coffee, systematically unraveling complex murders throug...
Sir Roger Ackroyd
(played by Franklin Dyall) — protagonist
A wealthy and respected local figure whose murder in Alibi serves as the central catalyst for the investigation. His death exposes hidden secrets within his household.
Ursula Browne
(played by Elizabeth Allan) — supporting
A young woman entangled in the Ackroyd household's affairs. Her past connections and romantic involvement with Ralph make her a key suspect and emotional focal point in Alibi.
Dr. Sheppard
(played by J.H. Roberts) — supporting
A local physician and resident of the Ackroyd household. Acts as Poirot's primary assistant and confidant, while his own concealed past plays a critical role in the narrative.
Ralph Ackroyd
(played by Ronald Ward) — supporting
The stepson of Sir Roger Ackroyd. Financially strained and romantically linked to Ursula Browne, his precarious position makes him a prime suspect in his stepfather's murder.
Mrs. Ackroyd
(played by Mary Jerrold) — minor
Sir Roger's sister and the matriarch of the household. She maintains order within the home and serves as a key witness, deeply invested in protecting her brother's legacy and family stability.
Insp. Davis
(played by Harvey Braban) — minor
The local police inspector responsible for initial crime scene management and suspect interrogation. Represents official law enforcement, often contrasting with Poirot's unconventional methods.
Key Relationships
Sir Roger Ackroyd → Ursula Browne
(Romantic Related)
Hercule Poirot → Insp. Davis
(Professional Related)
Hercule Poirot → Dr. Sheppard
(Alliance Related)
Hercule Poirot → Sir Roger Ackroyd
(Narrative Detective & Client)
Sir Roger Ackroyd → Mrs. Ackroyd
(Family Related)
Sir Roger Ackroyd → Ralph Ackroyd
(Family Related)
Story Analysis
A lost British mystery detective film adapted from Agatha Christie's novel.
