as Dr. Arthur Kemp

as Berle Lindquist

as Ward Hughes

as 'Doc' Evans

as Frankie's Father

as Danny Madden

as Dr. Lt.Cdr. Joe Curran

as Red O'Malley

as Gus

as Peter Lawton

as Jim Richards

as Jim Shelly

as Jack Costigan

as Grant Powell

as Blake

as Good News Brophy

as Charles Murfree

as John 'Mac' McNamara

as Captain Holloway

as Cap

as 'Mac' McKay

as Curley

as Federal Agency Chief

as Union Commanding Officer

as Inspector Hansen

as Updyke

as Jimmy Dobson

as Father Vail

as Captain Jonesy

as Phillip Warwick