Calling Dr. Kildare

An earnest intern whose compassion often clashes with hospital rules. He chooses to treat Nick Lewett despite the police summons, driven by a belief in innocence and humane care. His actions push the ethical boundaries of medicine and spark growth under the mentorship of his superiors.

A crusty but brilliant senior diagnostician who challenges Kildare and orchestrates the internship’s test. He uses the dispensary assignment to sharpen Kildare’s judgment and warns him about the consequences of bending rules. Ultimately, he guides the team back toward medical integrity and professional growth.

A capable nurse who becomes entangled in Gillespie's plan to monitor Kildare at the neighborhood dispensary. She admires Kildare's dedication but must balance personal feelings with professional duty. Her presence underscores the tension between affection and accountability in medical care.

Nick Lewett's sister, fiercely protective and willing to manipulate circumstances to save her brother. She solicits Kildare's help and hides the truth behind her motives, only confessing later to reveal her underlying intent. Her actions drive the plot’s emotional core and the collision of love and loyalty.

A wounded young man wanted by police for a murder. His case drives Kildare to act outside standard procedure in the name of innocence. His ultimate exoneration hinges on uncovering Garson's true killer and clearing his name.

An ambulance driver who becomes a crucial ally, aiding Kildare in steering the investigation and pushing Crandell to confess. His practical, no-nonsense approach helps move the plot toward truth and justice.

A respected physician at Blair General who provides professional support and contributes to the medical backdrop of the investigation. His interactions with Kildare and Gillespie help frame the clinical context of the story.

Head nurse who helps orchestrate Gillespie's plan to test the intern by using the dispensary setup. She balances authority with cooperation and plays a key role in guiding Kildare’s path back to Blair General.

The man whose actions catalyze the central crime—his murder of Garson. Crandell’s involvement is revealed through Nick's case and Kildare's pursuit of truth, culminating in a confession that vindicates Nick.