
Admiral Harriman Nelson

Captain Lee Crane

Lieutenant Cathy Conners

Comm. Lucius Emery

Dr. Susan Hiller

Dr. Miguel Alvares

Lieutenant Chip Romano

Dr. Jamieson

Vice Admiral B.J. Crawford

Congressman Llewellyn Parker

Dr. Zucco

Sparks

CPO Mack Gleason

Seaman Jimmy 'Red' Smith

Seaman Kowski

Seaman George Young

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Lieutenant Hodges (Uncredited)
Dr. Newmar (Uncredited)
Ned Thompson (Uncredited)

Officer (Uncredited)
Seaview Pilot (Uncredited)

UN Committee Chairman (Uncredited)

UN Commentator (Uncredited)

Guard (Uncredited)
Guard (Uncredited)
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Crew Member (uncredited)
