Underwater Spearfishing
"Underwater Spearfishing" was produced with assistance by Captain Hal Messinger, a diver of some renown. It shows free divers training, and the successful hunt for a manta ray. The film was released by the Sea-Net Company of Los Angeles, an early manufacturer of free diving and spearfishing equipment, including spear guns, rubber masks, and fins.
- Genre: Documentary
- Studio: Tele-Film
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- Cast: Hal Messinger