- Country: USA
- Genres: Documentary
- Release: 1937-05-08
- Director: Raymond Friedgen
- Writers: Lowell Thomas , Frederick H. Wagner
- Language: English
- Stars: Lowell Thomas , Wallace Caswell Jr. , 'Evolution' Henderson
- Runtime: 49 min
- Awards: N/A
- AKA: Assassinos do Mar (Portugal, Portuguese Republic) , Killers of the Sea , 深海の野獣 (Japan) , Οι κουρσάροι του βυθού (Greece) , Oi koursaroi tou vythou (Greece) , Killers of the Sea (United States of America) , Assassinos do Mar (Brazil)
- Plot: A film about Captain Wallace Caswell Jr. who does all in his power to protect game fish from illegal fishing and natural predators such as sharks, octopi and whales.
- IMDB:tt0164702
Killers of the Sea Cast · · · ALL
Raymond Friedgen
Director
Lowell Thomas
Narrator
Wallace Caswell Jr.
Himself (as Captain Wallace Caswell Jr.)
‘Evolution’ Henderson
Himself
‘Spot’ Hayes
Himself
Hubert Dykes
Himself
Bruce Stillwell
Himself
Steve Beadon
Himself
Bryant Lee
Himself
Julius Randy
Himself