Cast

L
Lloyd Bridges
as Mike Nelson
J
June Blair
M
Mike Road
J
John Lupton
R
Ross Elliott
K
Kathie Browne
J
John Marley
D
Denise Alexander
B
Beau Bridges
T
Terry Becker
R
Russ Conway
J
Jack Nicholson
as John Stark
W
Whit Bissell
R
Robert Clarke
J
John Anderson
L
Larry Hagman
D
Dorothy Bridges
R
Ricou Browning
M
Myron Healey
F
Frank Wolff
A
Anthony Eustrel
P
Paul Guilfoyle
P
Paul Maxwell
R
Robert Conrad
L
Leonard Nimoy
B
Brett Halsey
R
Robert Quarry
W
William Bakewell
G
Grandon Rhodes
G
George Eldredge
R
Ross Martin
P
Peter Breck
R
Robert Karnes
H
Herbert Anderson
A
Anthony George
D
Dale Ishimoto
J
John Zaremba
G
Gregg Palmer
M
Morgan Brittany
O
Oscar Beregi Jr.
B
Byron Morrow
A
Abraham Sofaer
J
John Archer
B
Bernard Kates
R
Robert Gothie
J
Joe De Santis
M
Meg Wyllie
R
Robert Gist
W
William Schallert
C
Connie Hines
K
King Moody
R
Ralph Taeger
G
Gertrude Michael
V
Vitina Marcus
R
Reed Hadley
A
Anthony Caruso
J
Joyce Meadows
I
Irene Tedrow
K
Kenneth Tobey
as Pete Butler
B
Bill Edwards
R
Robert Ridgely
T
Ted Knight
M
Mark Dana
R
Ron Hayes
K
Ken Curtis
C
Corey Allen
D
Douglas Henderson
as Dr. Barton
N
Nestor Paiva
J
Jean Porter
K
Keith Andes
S
Sue Randall
C
Charles Maxwell
P
Peter Hansen
L
Leo Gordon
as Panicky Miner
P
Phil Arnold
P
Pamela Duncan
J
John Doucette
as Louis Hale
G
Gene Roth
L
Leonard Mudie
as Eugene Laszlo
T
Tom Brown
C
Christopher Dark
J
Jim Bannon
A
Al Ruscio
R
Ric Marlow
L
Lane Bradford
A
Anna Navarro
P
Peter Leeds
G
Gregory Gaye
J
Jeff Bridges
A
Aline Towne
B
Bill Erwin
P
Preston Hanson
D
Don Oreck
J
Joi Lansing
H
Harlan Warde
D
Douglas Fowley
L
Lisa Gaye
M
Maris Wrixon
W
Willis Bouchey
W
William Allyn
N
Noel Drayton
B
Bernard Fein
S
Sal Ponti
D
Dan White
J
John Qualen
D
Dehl Berti
M
Maurice Dallimore
M
Mari Blanchard
J
Jack Ging
as Lou James
T
Tyler McVey
P
Paul Birch
P
Paul Dixon
S
Susan Silo
L
Larry Pennell
W
Walter Reed
H
Hank Patterson
L
Larry Thor
M
Michael Masters
J
John Beradino
J
James Anderson
C
Chris Robinson
D
Don Devlin
J
Julie Sommars
A
Anne Helm
K
Ken Christy
J
John Bryant
W
William Boyett
B
Bruce Dern
as FBI Agent John Furillo
H
Harry Lauter
N
Nan Peterson
as Norma Carter
S
Sándor Szabó
as Bela Benedek
G
Gerry Gaylor
as Lili Benedek
M
Morris Ankrum
M
Mike Steen
as Sonny Kendall
B
Bert Williams
as Bill Davies
J
Jana Lund
as Jill Bromley
B
Barry Harvey
as Ramone
C
Charles Maxwell
as USCG Lieutenant
C
Cyril Delevanti
as Lars Anderson
J
Joe Dominguez
as Arturo Ramirez
J
Joe Dominguez
as Juan
E
Eugene Iglesias
as Diego
J
Joe Dominguez
as Julio Salas
E
Eric Feldary
as Greg Andrews
H
Hanna Landy
as Magna Androvich
E
Eric Feldary
as Ben Tempesta
A
A.G. Vitanza
as Merker
V
Valerie Allen
as Dana Perry
M
Mary Lawrence
as Dr. Barnes
E
Eugene Iglesias
as Perez - Military Police
J
Jack Hogan
as Billy Riker
K
Keith Richards
as Ed Romer
J
Jack Hogan
as Ken Mason
E
Edson Stroll
as Julian Laubec
V
Victor Buono
as Seminard
N
Nick Dimitri
as George Turner
L
Lomax Study
as Dr. Barr
M
Michael Whalen
as Oliver Brandon
M
Michael Granger
as Norm 'Mr. Big' Brown
Q
Quinn K. Redeker
as Joey
R
Russ Conway
as USCG Lt. Cmdr. Barney Adams
Q
Quinn K. Redeker
as USCG Lt. Bob Camp
R
Robert Clarke
as Doug Trimble
T
Troy Melton
as Charlie
T
Troy Melton
as Enemy Agent (uncredited)
T
Troy Melton
as Miguel - Convict
P
Patrick Waltz
T
Troy Melton
as Skin Diver
T
Troy Melton
as Pollywogs Leader (uncredited)
V
Victor Buono
as Dr. Tank Wallace
R
Robert F. Simon
as Prof. Aaron Halliday
L
Lisabeth Hush
as Zoë White
R
Robert F. Simon
as Dr.Tomaso Ricou

Crew

J
John Florea
Director
A
Anton Leader
Director
L
Leon Benson
Director
D
David Friedkin
Director
G
Gene Levitt
Writer
L
Lee Erwin
Writer
A
Andrew Marton
Director
H
Herbert L. Strock
Director
F
Franklin Adreon
Director
F
Felix E. Feist
Director
S
Sloan Nibley
Writer
O
Otto Lang
Director
L
Leon Benson
Director
M
Mary C. McCall, Jr.
Writer