Cast
Zeke / Zeke - Skipper of the 'Mary Lou'
'Dolphin' Radioman / 'Dolphin' Radioman [Chs. 1-2]
Capt. Lester / Capt. Lester [Chs. 1-3, 6-7]
Speeding Motorist (archive footage) / Speeding Motorist [Ch. 2]
Jim - Police Boat Pilot / Jim - Police Boat Pilot [Chs. 2, 6]
Policeman / Policeman [Chs. 3-4]
Mate on the 'Astoria' / Mate on the 'Astoria' [Chs. 4-5]
Pete - Whaler Crewman / Pete - Whaler Crewman [Chs. 8-9]
Guard at Hospital / Guard at Hospital [Ch. 6]
Whaler Captain / Whaler Captain [Chs. 8-9]
Coral Strand Crewman / Coral Strand Crewman [Chs. 6-9]
Elliott Carlton / Elliott Carlton [Chs. 1-7]
Fenwick the Inventor / Fenwick the Inventor [Chs. 1, 5, 9, 12]
Fenwick's Guard / Fenwick's Guard [Ch. 12]
Sven - Whaler Crewman / Sven - Whaler Crewman [Ch. 9]
Sub Captain / Sub Captain [Chs. 9, 11-12]
Agent Burke / Agent Burke [Ch. 4]
Island Guard-Launch Pilot / Island Guard-Launch Pilot [Ch. 12]
Pug Anderson / Pug Anderson [Chs. 1-6]
Desk Sergeant / Desk Sergeant [Ch. 7]
'Astoria' Officer / 'Astoria' Officer [Ch. 4]
Tony - Grocer / Tony - Grocer [Chs. 1-2]
First Island Guard / First Island Guard [Chs. 10-11]
Angry Motorist / Angry Motorist [Ch. 2]
Chris - Second Island Guard / Chris - Second Island Guard [Chs. 11-12]
Krans / Krans, Agent X-39 [Chs. 4, 6]
Coral Strand Crewman / Whaler Crewman / Coral Strand Crewman [Ch. 6]/Whaler Crewman [Chs. 8-9]
