Donald O'Connor

as Cosmo Brown

as Fred

as Joseph Renfield

as Harlow Safford

as Kenneth Zevo

as Barry Barnes

as Jackie Clark

as Oscar Tilton

as Evelyn's Dance Instructor

as Jonathan

as Tim Donahue

as Beau Geste (as a Child)

as George Decova / Barnaby the Great

as Self

as Self

as Self / Various Characters

as Self - Host / Narrator

as (archive footage)

as (archive footage) (uncredited)

as Francis Joins The Navy

as Kenny Freeman

Role: Director

as Lory Bird

as Glenn's Dad

as Peter Stirling

as Melvin Hoover

as David Connelly

as Peter Stirling / Slicker Donevan

as Harvey Granson

as Kenneth Gibson

as Mock Turtle

as Self

as (archive footage)

as Holly Connor

as Ted Adams

as Self

as Aladdin

as Peter Stirling

as Peter Stirling

as Peter Stirling

as Uncle Cyrus

as Self

as Self

as Donald O'Connor

as Donny

as Self - Co-Host

as Davey Crandall

as Peter Stirling

as Charlie Read

as Murray Prince

as Buster Keaton

as Mike Beebe

as Self (archive footage)

as Self

as Jimmy Monahan

as Mock Turtle

as Milton Haskins

as Hermes

as Self - Guest Host

as Phil Jr. as a Boy

as Edward Timmons

as Butch

as Young Pat Falconer

as Huckleberry Finn

as Self

as Self

as Self

as Johnny Shaw

as Kid Dancer (uncredited)

as Ricky Ives

as Ted Streaver (age 12)

as Self

as Self

as Wilbur McMurty

as Self

as Roger Bradley

as Donald J. O'Connor

as Jimmy

as Tommy

as Don

as Self

as Self

as Jimmy Arnold

as Pat Donahue Jr.

as Jigger Millard

as Butch Baker

as Donald Corrigan

as William Waldo Winfield

as Sticky Boone

as Frankie

as Father Walsh

as Butch Smiley

as Self (archive footage)

as Self (archive footage)

as archive footage

as Donald Dugan

as Self

as Self

as Don Warren

as Specialty Act

as Alex the Mouse (voice)

as Specialty dancer

as Self

as Small Fry

as Self

as Self

as Self (archive footage)

as Self - Presenter