Kevin Conway

Daniel Webster (voice)

Self - Narrator (voice)

William Worrall Mayo (voice)

Henry David Thoreau

Cyrus

Narration

Theodore Roosevelt (Voice)

Reader (voice)

George Massey

Jonas Stern

Donovan Stamp

Gabe Paul

Bert

Jenny's Pop

Frank Papale

Neal Caffee

Other Voices (voice)

Theo (uncredited)

Sgt. Buster Kilrain

Mark Twain (voice)

Mark Twain (voice)

King Leo

Frank McNare

Jackie Dooley

Gen. Curtis LeMay

Operative at Warehouse

Thomas Paine

Thomas Paine

Jim O'Neary

Mel Duden