Andrew McCarthy as Arthur Beniker

Jennifer Dundas as Cassie Beniker

Charles Fields as Edmund Beniker

Jeff Alan-Lee as James Beniker

Danny Pintauro as Ben Beniker

George Martin as Judge Pink

Will Patton as Forest Ranger

J. T. Walsh as Principal Stoddard

Mary Hamill as Edith Stamwick

William Duell as Postmaster Greaves

Anthony Heald as Mr. Uldrich

Richmond Hoxie as Attorney

Peter McRobbie as Mr. Millhauser

Paddy Croft as Mrs. O'Malley

Joyce Reehling as Miss Nickerson

Martha Byrne as Molly Stamwick

Stacey Glick as Orie Stamwick

Bill Smitrovich as Laundry Truck Driver

Frederick Ainsworth as Mr. Schramm

Luca Venantini as Fighting Boy

Anna Bond as Newscaster

Thomas Massengale as Driver of Pursuing Car (uncredited)