John Archer

as John Austin

as Col. Nathan Perry

as Jack Kelman

as Lt. Mark Richards

as Dr. John Storrow

as Barton Kendall

as Mike Dodd

as Harlow Grant

as Frenchy LeCroix

as Henderson

as Curley Ringo

as Pat Farrell

as Jim Barnes

as Philip Evans

as Reno Blake

as Charles Russell

as Pvt. Carter

as Lt. Thurmond

as Curly Bowman (uncredited)

as Ned Clark

as Naval Lt. Pete Merriam

as Richard Dennison

as Bill Summers

as James Horton

as Richard Clark (as Ralph Bowman)

as Bob Whitney