Burl Ives

as Phineas T. Barnum

Troy Donahue

as Gaylord Sullivan

Gert Fröbe

as Professor Siegfried von Bulow

Hermione Gingold

as Angelica

Lionel Jeffries

as Sir Charles Dillworthy

Dennis Price

as The Duke of Barset

Daliah Lavi

as Madelaine

Stratford Johns

as Warrant Officer

Graham Stark

as Bertram Grundle

Terry-Thomas

as Captain Sir Harry Washington-Smythe

Renate von Holt

as Anna Lindstrom

Jimmy Clitheroe

as General Tom Thumb

Judy Cornwell

as Lady Electra

Joachim Teege

as Joachim Bulgeroff

Edward de Souza

as Henri

Joan Sterndale-Bennett

as Queen Victoria

Allan Cuthbertson

as Colonel Scuttling - Scotland Yard Man

Derek Francis

as Puddleby

Anthony Woodruff

as Announcer

Hugh Walters

as Carruthers

Donald Bisset

as Jack Flood

Cecil Nash

as Chambers

Vernon Hayden

as Mr. Brown

John Franklyn

as Railway Guard

Harry Brogan

as Professor Dingle

Derek Young

as French Officer of the Guard