Jacques Piccard

饰：Himself

Breea Govenar

饰：Self - Woods Hole

Costas Emmanuel Synolakis

饰：Self

Adam Soule

饰：Self - Woods Hole

Steve Pettingill

饰：Self - Transoceanic Sailor

Matthew Mazloff

饰：Self - Scripps

Susan McClure

饰：Self - Tsunami Survivor

Jason Dunion

饰：Self - NOAA

David Gallo

饰：Self - Woods Hole

Maya Tolstoy

Maya Tolstoy

饰：Herself

格雷厄姆·霍克斯

Graham Hawkes

饰：Himself - Submersible Designer

德怀特·戴维·艾森豪威尔

Dwight D. Eisenhower

饰：(archive footage)