The Aquarians

Ricardo Montalban

Dr. Luis Delgado

José Ferrer

Dr. Alfred Vreeland

Leslie Nielsen

Official

Chris Robinson

Ledring

Katherine Woodville

Barbara Brand

Lawrence P. Casey

Bob Exeter

Tom Simcox

Jerry Hollis

Curt Lowens

Ehrlich

Austin Stoker

Bogan

Sin foto

Phil Philbin

First Technician

Dan Chandler

Sonar Man

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Ted Swanson

Aide

Myron Natwick

First Reporter

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Harlan Warde

Second Reporter

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Elisa Ingram

Jean Hollis

Sin foto

Joan Murphy

Norma

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William Evenson

Jim Morgan