Dick Van Dyke

Claude R. Fitzwilliam

Barbara Feldon

Juliet Nowell

John McGiver

Albert

Edith Evans

Miss Victoria Woodworth

Harry Townes

Mr. Nowell

John Fiedler

Mr. Morton Dunne

Anne Seymour

Grimsby

Norman Fell

Oberblatz

Cecil Kellaway

Buckmaster

Sam Waterston

Oliver

Helen Kleeb

Mrs. Mortimer

Paul Reed

Prettikin

Dennis Cooney

Assistant D.A. Elliot Adams

Fletcher Allen

Reporter (uncredited)

Merie Earle

Elderly Shoplifter (uncredited)

John Alban

Customer (uncredited)

Karen Norris

Kitty

Anthony Eustrel

Garland

Noam Pitlik

Charles

Lew Brown

Frank

Nelson Olmsted

Simmons

Monroe Arnold

Goldfarb

Patience Cleveland

Dolly

Robert Williams

Ryan

Albert Carrier

Pierre

Stephen Strimpell

Byron Casey

Laurence Naismith

Mr. Cotty (uncredited)

Barbara Morrison

Mrs. Mudge (uncredited)

Kenner G. Kemp

Bar Patron (uncredited)

Ruth Foster

Customer (uncredited)

Meg Wyllie

Saleswoman (uncredited)

Arthur Peterson

Liquor Store Clerk (uncredited)