The new commander of a Navy Underwater Demolition Team--nicknamed "Frogmen"--must earn the respect of the men in his unit, who are still grieving over the death of their former commander and resentful of the new one.
Lt. Cmdr. John Lawrence
Richard Widmark
Lt. (jg) Franklin
Robert Wagner
Jake Flannigan
Dana Andrews
Lt. Cmdr. Pete Vincent
Gary Merrill
Pappy Creighton
Jeffrey Hunter
Hodges
Warren Stevens
Marvin W. 'Canarsie' Mikowsky
Harvey Lembeck
Lt. Bill Doyle
Robert Rockwell
Sleepy
Henry Slate
Chief Ryan
Robert Adler
Dr. Ullman
Parley Baer
Ferrino
William Bishop
Kinsella
Frank Donahue
Chief Petty Officer Lane
James Gregory
Gunner
Harry Hamada
Captain Radford
Russell Hardie
Repairman
Ray Hyke
Pharmacist's Mate
Peter Leeds
Captain Phillips
Norman McKay
Cmdr. Miles
William N. Neil
Lt. Klinger
Robert Patten
Adm. Dakers
Fay Roope
Gen. Coleson
Sydney Smith
Crew Member
Jack Warden
Soldier
Rush Williams
Swimmer
George Yoshinaga