Doug Llewelyn

Self - Host

Ralph B. White

Self - Underwater Photographer (as Ralph White)

Derek Allen

Self - Director of Sangorski and Sutcliffe

Peter Boyd-Smith

Self - Owner of Cobwebs

William Diebel

Self - Engineer

John Fox

Self - Stoniers

Edith Haisman

Self - Survivor

Eva Hart

Self - Survivor

Charles Ira Sachs

Self - President of Oceanic Navigational Res. Society