Dick Van Dyke character Claude R. Fitzwilliam
Barbara Feldon character Juliet Nowell
John McGiver character Albert
Edith Evans character Miss Victoria Woodworth
Harry Townes character Mr. Nowell
John Fiedler character Mr. Morton Dunne
Anne Seymour character Grimsby
Norman Fell character Oberblatz
Cecil Kellaway character Buckmaster
Stephen Strimpell character Byron Casey
Helen Kleeb character Mrs. Mortimer
Paul Reed character Prettikin
Albert Carrier character Pierre
Nelson Olmsted character Simmons
Dennis Cooney character Assistant D.A. Elliot Adams
Noam Pitlik character Charles
Anthony Eustrel character Garland
Sam Waterston character Oliver
Karen Norris character Kitty
Patience Cleveland character Dolly
Lew Brown character Frank
Monroe Arnold character Goldfarb
Robert Williams character Ryan
Laurence Naismith character Mr. Cotty (uncredited)
Barbara Morrison character Mrs. Mudge (uncredited)
Kenner G. Kemp character Bar Patron (uncredited)
Fletcher Allen character Reporter (uncredited)
Merie Earle character Elderly Shoplifter (uncredited)
John Alban character Customer (uncredited)
Ruth Foster character Customer (uncredited)
