Dennis the Menace

Jay North

Dennis Mitchell

Gloria Henry

Alice Mitchell

Herbert Anderson

Henry Mitchell

Joseph Kearns

George Wilson

Sylvia Field

Martha Wilson

Gale Gordon

John Wilson

George Cisar

Sgt. Theodore Mooney

Irene Tedrow

Lucy Elkins

Willard Waterman

Otis Quigley

Charles Seel

Mr. Krinkie / Mr. Krinkie (uncredited)

Billy Booth

Tommy Anderson

Will Wright

Merrivale

Mary Wickes

Miss Esther Cathcart

Norman Leavitt

Brown / Farmer / Mr. Ferris / Officer Ted Quincy

Walter Reed

Mike Thompson / Newscaster / Newscaster (uncredited)

Edward Everett Horton

Uncle Ned Matthews

Dub Taylor

Opie

Hardie Albright

Doctor / Dr. Baker (uncredited)

Chubby Johnson

Buzz / Buzz the Salvage Man

Bob Hastings

Coach Gilmore / Motorcycle Officer / Policeman #2 (uncredited)

Harold Gould

Mr. Sparks / Tramp

Marjorie Bennett

Open House Looker (uncredited) / Stout Woman (uncredited)

Ralph Sanford

Man in Park (uncredited) / Sleeping Man (uncredited)

Hal Taggart

Man on street (uncredited) / Man with Popcorn (uncredited)

Charles Lane

Lawrence Finch

Eddie Marr

Announcer / Art Barnes

Jack Daly

Fireman / Reporter #1

Alan Hewitt

Alistair St. Clair / Dr. Alfred Johnson

Dick Cherney

Audience Member (uncredited) / Spectator (uncredited)

Stafford Repp

Lt. Wheeler / Police Chief Doyle

George Ford

Auction Guest (uncredited) / Man at Airport (uncredited)

Elizabeth Harrower

Mrs. Johnson / Mrs. Johnson (uncredited)

Addison Richards

Stacy

Maudie Prickett

Madame Tina

John Fiedler

Mr. Clute

Sandy Koufax

Himself

Lucille Wall

Mrs. Hawkins

Richard Reeves

Mr. Kelly

Lomax Study

Monsieur Boucher

Cheryl Holdridge

Helen Franklin

Lyle Talbot

Mayor

Don Dillaway

Charlie Dobbs

Nancy Evans

Sister

Pat Close

Freddy Thorpe, the Senate Page

Billy E. Hughes

Walter Hooper (as Billy Hughes)

Cyril Delevanti

Mr. Gibson

Sue Lyon

Blonde with Valentine Card (uncredited)

Ray Teal

Mr. Phillips

Madge Blake

Mrs. Porter

Ralph Dumke

Mr. Burnley

Kathryn Card

Mrs. Biddy

Ron Howard

Stewart

Verna Felton

Aunt Emma

Brad Johnson

Whip Crawford

Don C. Harvey

Officer

Harvey Korman

Bowers

Kitty Kelly

Mrs. Bowers

Joe Conley

Open House Looker (uncredited)

Herschel Graham

Open House Looker (uncredited)

Lauren Gilbert

Mr. Bishop

Olive Carey

Mrs. Rafferty

Mary Treen

Cook

Grady Sutton

Alvin Jessup

Ellen Corby

Miss Douglas

Jimmy Hawkins

Chuck Long

Emory Parnell

O'Reilly

Bill Zuckert

Sen. Philbin

Lester Dorr

Forestry Dept. Clerk (uncredited)

William O'Connell

Senate Secretary (uncredited)

Alvy Moore

Manager

Robert Hyatt

2nd Brother

Ivan Bonar

Patrolman

Lyle Latell

Fire Chief

Alma Platt

Librarian

Paul Bradley

Neighbor (uncredited)

Murray Pollack

Cameraman (uncredited)

Stanley Adams

Jerry Richman

C. Lindsay Workman

Mr. Sylvester