Uncle Sam Magoo

Jim Backus

Mr. Magoo

Lennie Weinrib

Uncle Sam

Bob Holt

Chief Strong Eagle

Barney Phillips

Mark Twain /John Sutter /Patrick Henry /Abraham Lincoln /Martin Luther King Jr. (voice)

Patti Gilbert

Priscilla Mullins /Betsy Ross /Tom Sawyer /Eleanor Roosevelt (voice)

Sid Grossfeld

(voice)

Dave Shelley

(voice)

John Himes

(voice)