as Jim Barnes

as Tony Lamarr

as Reno Blake

as Frenchy LeCroix

as Lt. Thurmond

as Naval Lt. Pete Merriam

as Richard Dennison

as Philip Evans

as Lt. Mark Richards

as Dr. John Storrow

as Jack Kelman

as Bob Elliott

as Harlow Grant

as Charles Russell

as Curly Bowman (uncredited)

as Pat Farrell

as Maj. Paul Whiteside

as Henderson

as Police Detective Lou Sampter

as Curley Ringo

as Barton Kendall

as FBI Agent Kerrigan

as Clint Canfield

as Dunker Gilson

as Ted Palmer

as Bob Dudley

as Mr. Wood

as Jeff Hill

as James Horton

as Pvt. Carter

as Dr. Robert Redmond

as Slim Martin

as Prof. J. Thomas Quincy

as Dr. Paterson

as Ray Cruthers

as Dartmouth College Student

as Dr. Ed

as Dr. Hall

as Bob Whitney (as Ralph Bowman)

as Tom Grant

as Jimmy Thorne

as Bill Allen

as John Austin

as Richard Clark (as Ralph Bowman)

as Bill Summers

as William Allen

as Mike Dodd

as Dave Parish

as Col. Nathan Perry

as Jim Westlake

as Gerard

as Dr. Ellis

as Letter Writing Soldier / Narrator

as Johnny Bones

as Ben McGrun

as Mack Rossiter

as Ned Clark

as Rodeo Cowboy