Roger Manning

Tom Corbett

Close friends and fellow space cadets, often working together on missions despite their contrasting personalities.

Astro

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Steve Strong

Friends and cadet colleagues, sharing a bond of mutual respect despite Roger's occasional teasing.

Lady Venus

Lady Venus interacts with Roger as part of her schemes, often using charm to influence him.

Tony Richards

Fellow cadets and friends, sharing a lighthearted and competitive camaraderie.

Al James

Friends and fellow cadets, often engaging in banter and friendly competition.

Tom Corbett

Close friends and fellow space cadets, often working together on missions despite their contrasting personalities.

Astro

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Astro

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Tom Corbett

Close friends and fellow space cadets, often working together on missions despite their contrasting personalities.

Steve Strong

Friends and cadet colleagues, sharing a bond of mutual respect despite Roger's occasional teasing.

Steve Strong

Friends and cadet colleagues, sharing a bond of mutual respect despite Roger's occasional teasing.

Arrival at Space Academy

Roger Manning tricks Astro into carrying his luggage, and later faces Cadet Herbert about the luggage issue.

II

Finishes the test quickly and casually, displays a cynical and aloof attitude toward Tom and Astro, stating he is at the Academy for his own reasons and considers it a 'space kindergarten.'

III

Manning is identified as the primary source of friction, though he has a sharp mind and deliberately chose radar deck assignment.

IV

Shows arrogance and intellectual pride, challenges Tom to a fight, and remains skeptical of Strong's message.

The Boxing Match

Fights Tom with dirty tactics, loses, and rejects Tom's handshake.

VI

Roger completes his radar bridge examination with exceptional speed and accuracy, though his sarcastic attitude toward Astro and Tom persists.

VII

Reveals he provoked Astro to ensure he passed the manual; announces intent to transfer.

VIII

Roger is absent from quarters, later found alone in Galaxy Hall crying before the Space Queen wreckage, revealing hidden vulnerability.

The Polaris

Explores the radar bridge and expresses mixed feelings about the ship's equipment.

The Mercuryball Semifinal

Shows selfishness and arrogance during the game, refusing to pass and drawing boos from the crowd; his attitude is noted by Wolcheck and Strong.

Atom City

Acts rudely toward Mr. Bernard, cutting him off; flirts with the hotel clerk; gets into a verbal fight with Captain James; excited about the upcoming deep-space hop.

XII

On radar deck, provides course calculations and expresses concern about collisions; briefly mentions his father.

XIII

Calculates the position of the Lady Venus and reads the distress signal via space code.

XIV

Keeps passengers calm with jokes, songs, and a comical nose-pushing act.

XV

Initially reluctant and sarcastic, but ultimately returns to help Tom, demonstrating hidden bravery.

Chapter XVI

Agrees to ride the ship down, engages in a philosophical argument with Tom about belief and selfishness, and plots the course to Mars.

XVII

Pinned under debris but uninjured; offers to calculate position using manual navigation methods.

XVIII

Reveals his father was a Solar Guard captain who died heroically; expresses deep resentment toward the Academy and his father's sacrifice.

XIX

Admits fault for leaving the hatch open, contributes ideas and physical labor, shows teamwork.

Descent into the New Sahara

Faints from heat but recovers; uses his navigational skills to calculate their position.

XXI

Collapses from dehydration and is carried by Astro; later expresses gratitude and solidarity.

XXII

Shows loyalty by diving in to save Tom, and expresses pride in Captain Strong's dedication.