- Jon Seda
- Self - Narrator
- Bill Finnegan
- Self - 1st Marine Division
- Daniel Martinez
- Self - Pacific War Historian
- Lou Imfeld
- Self - 1st Marine Division
- Frank Pomroy
- Self - 1st Marine Division
- Oliver Marcelli
- Self - 1st Marine Division
- Steve Ballinger
- Self - Director, Cleared Ground Demining
- Tomomi Takemoto
- Self - Searching for Great Uncle's Remains
- Andy Giles
- Self - Pacific War Historian and Guide
- John Basilone
- Self - Medal of Honor Recipient
- Roy Geiger
- Self - General of the U.S. Marine Corps
- William F. Halsey
- Self - Admiral of the U.S. Navy
- Bob Hope
- Self - Entertainer on USO Tour
- George P. Hunt
- Self - Naval Cross Recipient
- Kiyonao Ichiki
- Self - Commander of Japanese Forces at Guadalcanal
- Douglas MacArthur
- Self - General of the U.S. Army
- Kunio Nakagawa
- Self - Commander of Japanese Forces at Peleliu
- Chester W. Nimitz
- Self - Admiral of the U.S. Navy
- Everett Pope
- Self - Medal of Honor Recipient
- Lewis B. Puller
- Self - Regimental Commander of the 1st Marine Division
- Franklin D. Roosevelt
- Self - President of the United States
- William H. Rupertus
- Self - Commander of the 1st Marine Division
- Patty Thomas
- Self - Entertainer on USO Tour
- Alexander A. Vandegrift
- Self - General of U.S. Forces in the Southwest Pacific
- Jacob Vouza
- Self - U.S. Scout
