Cast 25
Cliff Robertson
Lt. John F, Kennedy
Ty Hardin
Ensign Leonard J. Thom
James Gregory
Commander C.R. Ritchie
Robert Culp
Ensign George 'Barney' Ross
Grant Williams
Lt. Alvin Cluster
Lew Gallo
Yeoman Rogers
Errol John
Benjamin Kevu
Michael Pate
Lt. Reginald Evans
Robert Blake
Charles 'Bucky' Harris
Biff Elliot
Edgar E. Mauer
Norman Fell
Edmund Drewitch
James McCallion
Pat McMahon
Joseph Gallison
Harold Mamey
WD
William Douglas
Gerald Zinser
Sam Gilman
Raymond Starkey
CH
Clyde Howdy
Leon Drawdy
Buzz Martin
Maurice Kowal
GS
Glenn Sipes
William Johnson
John Ward
John Maguire
DW
David Whorf
Raymond Albert
George Takei
Helmsman on Japanese Destroyer (uncredited)
Andrew Duggan
Narrator (uncredited)
Roger Davis
Radioman (uncredited)
JEK
Jerry Earle Kraft
Extra (uncredited)
Directing 2
Leslie H. Martinson
Director
CF
C.M. Florance
Assistant Director
Writing 4
Richard L. Breen
Screenplay
HS
Howard Sheehan
Adaptation
VXF
Vincent X. Flaherty
Adaptation
RJD
Robert J. Donovan
Novel
Crew 4
Costume & Make-Up 1
GB
Gordon Bau
Makeup Supervisor
Production 1
Sound 2
DB
David Buttolph
Original Music Composer
William Lava
Original Music Composer
Camera 1
RS
Robert Surtees
Director of Photography
Editing 1
FB
Folmar Blangsted
Editor
Art 2
LKK
Leo K. Kuter
Art Direction
JPA
John P. Austin
Set Decoration