Macaulay Culkin as Kevin

Joe Pesci as Harry

Daniel Stern as Marv

Catherine O'Hara as Kate

John Heard as Peter

Brenda Fricker as Pigeon Lady

Tim Curry as Concierge

Devin Ratray as Buzz

Gerry Bamman as Uncle Frank

Rob Schneider as Bellman

Michael C. Maronna as Jeff

Terrie Snell as Aunt Leslie

Hillary Wolf as Megan

Maureen Elisabeth Shay as Linnie

Dana Ivey as Desk Clerk

Eddie Bracken as Mr. Duncan

Kieran Culkin as Fuller

Jedidiah Cohen as Rod

Senta Moses as Tracy

Diana Rein as Sondra

Anna Slotky as Brooke

Leigh Zimmerman as Fashion Model

Ralph Foody as Gangster

Clare Hoak as Gangster - 'Dame'

Monica Devereux as Hotel Operator

Bob Eubanks as Ding-Dang-Dong Host

Rip Taylor as Celeb #1

Jaye P. Morgan as Celeb #2

Jimmie Walker as Celeb #3

Patricia Devereux as Contestant #1

Aimee Devereux as Contestant #2

A.M. Columbus as Skycap O'Hare #1

Joe Liss as Skycap O'Hare #2

Teri McEvoy as Agent #3 - NY Gate / O'Hare

Ally Sheedy as Ticket Agent (New York)

Harry Hutchinson as Ticket Taker

Clarke Devereux as Ticket Taker / Evidence Specialist

Sandra Macat as Flight Attendant

Venessia Valentino as Flight Attendant

Andre Lachaumette as Man on Plane

Rick Shafer as Peter Look Alike

Rod Sell as Officer Bennett

Ron Canada as Cop in Times Square

Cedric Young as Cop in Central Park

William D'Ambra as Arresting Cop in Central Park #1

Mark Morettini as Arresting Cop in Central Park #2

Fred Krause as Cliff

James Cole as Security Guard

Warren Rice as Doorman

Thomas Civitano as Plaza Marketing Director

Daniel Dassin as Waiter

Donna Black as Health Club Woman

Abdoulaye N'Gom as Bead Vendor

Peter Pantaleo as Airport Van Driver

Michael Hansen as Airport Driver

Michael Goldfinger as Limo Driver

Mario Todisco as Cab Driver

Anthony Cannata as Sergeant in Toy Store

Eleanor Columbus as Little Girl in Toy Store

Karen Giordano as Streetwalker #1

Fran McGee as Streetwalker #2

Leonard Tepper as Sleeping Man

Kevin Thomas as Geeky Kid

Al Cerullo as Helicopter Pilot

Dan Buckman as Central Park Ice Skater (uncredited)

Laurence S. Chess as Parent at Christmas Play (uncredited)

Chris Columbus as Man in Toy Store (uncredited)

Jonathon Gentry as Choir Boy (uncredited)

Kate Hudson as Choir Singer (uncredited)

Eric Ian as Kid in the Airport (uncredited)

Karen Jensen-Clark as Woman with Shopping Bag (uncredited)

Jeffrey Landman as Choir Singer (uncredited)

Eden Riegel as Choir Member (uncredited)

Mike Sode as Airport College Student (uncredited)

Paul Zimmerman as Pedestrian (uncredited)

Donald Trump as Donald Trump

Frank Oz as Man putting money into donation bucket (uncredited)