Greedy aquarium owner who pressures Dr. Yost to cover up the shark's existence. He funds the hunting expedition to capture the creature for profit. He is killed when his harpoon rope accidentally pulls him into the water during the final confrontation.
Aquarium owner exerts professional control over the marine biologist to protect his business interests.
Marshall directs the intern's deployment for a dangerous capture mission.
Marshall assigns the intern to the hazardous expedition.
Marshall commands the intern to participate in the capture operation.
Marshall sacrifices the intern's safety for his own capture objectives.
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