George Cleveland

as Prof. Henson (archive footage)

as Lem Creel

as George 'Gramps' Miller(143 eps)

as Chief Rorty

as Andrew Clayton

as Gramps

as Colonel Wallace

as Pop

as Colonel Allerby

as Gramps Canova

as 'Hardrock' Hanson

as Henry Dodson

as Doc Fallon

as Uncle Charlie Tallon

as Mayor Jefferson Harding

as Colonel Harkrider

as Mr. Cooper

as Robert Bruce Mac Dougall

as Judge Grant

as Trapper

as Grandpa Gibson

as Judge Gardner

as Sheriff Sam Borden

as The Hermit

as Gramps

as Judge

as John Armin

as Captain Brennan

as Judge Benbow

as Grandfather McKinley

as John McCullen

as Gilligan

as Prof. Feverfew

as Pop Fisher

as Old Man

as Albert

as Capt. Caleb Simpson

as Barney Skeets

as Butch's Grandfather (uncredited)

as Feenan the cabbie

as Clarence Goodring

as Mr. Plummer

as Samuel 'Sam' Kincaid

as Ticket Seller (uncredited)

as Dr. Elfson

as Cap

as Casey, Tavern Owner

as Busby

as Father of Catherine Scott (uncredited)

as Capt. William T. Reemis

as Marshal

as Pete

as Gramps

as Wilson

as Roderick Stuart

as Captain 'Cap' Joe

as Mr. Gordon

as Ralph Hodges

as Judge Blackburn

as Judge Horace Crawford

as Sheriff Hal Darcey

as Willie Ferguson

as Wild Bill

as Doc

as 'Pop' Betts

as Col. John Wishart

as "Cap" Porter

as Judkins - Hotel Manager

as Chief Customs Inspector

as Samuel Venus

as Gus

as Banty

as Gus the Janitor

as Jerry (Uncredited)

as Clarence, manager of Lake Mohawk Lodge

as Bill Yard

as Undetermined Secondary Role (uncredited)

as Kelsey

as Cy Bibber

as Doctor

as Pete Carter

as Old Man

as Asa Wentworth aka Gramp

as Hank Liddell

as Pop Duncan

as Anna's Father (uncredited)

as Grandpa Harper

as Bill Burnside

as Mr. Howley

as Grub

as John Arnold

as Albert Henshaw

as Judge Wingate

as Uncle Matt

as George Blanchard

as Mark Rawlins

as Professor Van Dillon

as Dr. James Parker

as Dr. Bailey

as Lester

as John MacGregor

as Frank Porter, aka Saunders

as Convict 'Dad' Schultz

as Gramps Williams

as Tabor

as Sheriff

as Dr. MacTavish

as Pop O'Toole

as Maloney

as Sidekick Grizzly

as Jim Wheeler

as Gas Station Attendant

as Judge Stillwell

as Thurber

as Joe

as Ding

as Nathan

as Pedro

as Professor Henson

as Clinton

as Stevens (uncredited)

as George Blanchard

as Tim 'Flannel-Mouth' Farley

as Tom

as Stable Man

as Miner

as Perkins - Luke's Secretary in Boston (uncredited)

as Sam Adams - Company Engineer (uncredited)

as Dean Wiley

as Farmer Beasley

as George Davis

as Ship Captain

as Goebel, Gang Scientist

as Inspector McCloud

as Mr. Bainbridge

as General Duval

as Professor Hensley

as Bartender

as The Farmer

as Caleb Ashley

as Clemmons

as Jolly

as Jorum

as Detective

as Newsreel Man

as Fake Blind Beggar

as Judge

as Newsreel Company man

as Jake

as Jake

as Croupier

as Nevada Sheriff

as Hank - Innkeeper

as Detective Clancy (uncredited)

as Reeves

as Simms, the Steward

as John - The Air Dispatcher (uncredited)

as Detective