The Angry Red Planet

The MR-1's medical officer who debriefs the mission and narrates the crew's experiences. She helps to find a cure for Col. Tom O'Bannion's infected arm and demonstrates calm, analytical thinking under extreme pressure.

The MR-1's commanding officer who ends up with his entire right arm covered by a green alien growth. He survives the ordeal and remains a central figure in leadership and in the crew's fight against Martian threats; the arm infection is treated.

Ground crew member who uses a freeze-ray, 'Cleo,' to kill threatening Martian life-forms and fend off the pursuing creatures. He embodies pragmatic courage and technological resourcefulness.

MR-1's designer, whose expertise guides the mission's engineering. He dies of a heart attack during the ascent, marking a tragic cost to the crew's struggle and the machine's attempt to return home.

A member of the MR-1 medical/science team who participates in the mission's work. The summary records his presence but does not detail specific actions.

MR-1's scientist whose role contributes to the expedition's research and understanding of Martian conditions. His work underpins the crew's attempts to study and survive on Mars.

An MR-1 crew member who supports operations and provides strategic input as the mission confronts Mars's dangers.