Ensign Pulver

Robert Walker Jr.

as Ensign Frank Pulver

Burl Ives

as Captain Morton

Walter Matthau

as Doc

Tommy Sands

as Bruno

Millie Perkins

as Scotty

Kay Medford

as Head Nurse

Larry Hagman

as Billings

Peter Marshall

as Carney

Joseph Marr

as Dowdy

Gerald S. O'Loughlin

as LaSueur

Diana Sands

as Mila

Robert Matek

as Stretch

Jack Nicholson

as Yeoman Dolan

Al Freeman Jr.

as Taru

Richard Gautier

as Stefanowski

George Lindsey

as Lindstrom

Sal Papa

as Gabrowski

James Farentino

as Insigna

James Coco

as Skouras

Don Dorrell

as Payne

Michael Daves

as Sergeant on Plane Wing (uncredited)

James Davidson

as Bookser (uncredited)

Roger Ewing

as Jackson (uncredited)

Zack Foster

as Schlemmer (uncredited)

Larry Merrill

as Reber (uncredited)

Adam Roarke

as Mechanic (uncredited)

Ronnie Rondell Jr.

as Sailor (uncredited)

Buck Taylor

as Mannion (uncredited)

King Calder

as Governor (uncredited)