Paul Grogan

Maggie McKeown

Dr. Robert Hoak

Jack

Buck Gardner

Dr. Mengers

Betsy

Laura Dickinson

Colonel Waxman

Trooper

Mr. Dumont

Suzie Grogan

Whitney

Earl Lyon

Barbara Randolph

David

Jailer

TV Pitchman

Boy in Canoe

Father in Canoe

Soldier

Girl

Water-skier

Man in Boat

Screaming Woman

Dam Guard

Brandy

Swimming Deb (uncredited)

Dr. Robert Hoak (swimming double) (uncredited)

Scuba Diver #2 (uncredited)

Hertz Clerk (uncredited)

Scuba Diver #1 (uncredited)

Army Sentry (uncredited)

Scuba Diver (uncredited)

Directing

Directing

Production

Production

Sound

Directing

Editing

Crew

Costume & Make-Up

Acting

Visual Effects

Visual Effects

Visual Effects

Visual Effects

Crew

Production

Directing

Production

Acting

Camera

Art

Art

Art

Writing

Crew

Crew

Crew

Production

Crew

Crew

Production

Acting

Directing

Production

Camera

Sound

Lighting

Writing

Directing

Camera

Production

Sound

Art

Art

Camera

Camera

Art

Editing

Editing

Writing

Production

Production

Costume & Make-Up

Camera

Camera

Production

Production

Production

Production

Production

Directing

Camera

Camera

Camera

Camera

Lighting

Camera

Sound

Sound

Sound

Sound

Sound