John Candy

Buck Russell

Jean Louisa Kelly

Tia Russell

Gaby Hoffmann

Maizy Russell

Macaulay Culkin

Miles Russell

Amy Madigan

Chanice Kobolowski

Elaine Bromka

Cindy Russell

Garrett M. Brown

Bob Russell

Laurie Metcalf

Marcie Dahlgren-Frost

Jay Underwood

Bug

Brian Tarantina

E. Roger Coswell

Mike Starr

Pooter-the-Clown

Suzanne Shepherd

Mrs. Hogarth

William Windom

Mr. Hatfield (voice)

Dennis Cockrum

Pal

Joel Robinson

Miles' Friend #1

Colin Baumgartner

Miles' Friend #2

Erik Whipple

Miles' Friend #3

Mark Rosenthal

Party Boy #1

Doug von Nessen

Party Boy #2

Wayne Kneeland

Party Boy #3

Gigi Casler

Party Girl in Bedroom

LaVerne Anderson

Party Girl #1

Gina Doctor

Party Girl #2

Rachel Thompson Perrine

Party Girl #3

Ron Payne

Maizy's Teacher

Jane Vickerilla

Teacher

Kyle Lewis Eastman

School Child

Dana Taylor

School Child

Jennifer Kane

School Child

Christen Loftis

School Child

Genae Affrunti

School Child

Anna Chlumsky

School Child

Patricia Arquette

Additional Voices (voice)

Jack Blessing

Additional Voices (voice)

Devon Odessa

Additional Voices (voice)

Ryan Todd

School Child (uncredited)

Arnold F. Turner

Additional Voices (voice)