Edward G. Robinson as Martinius Jacobson

Margaret O'Brien as Selma Jacobson

James Craig as Nels Halverson

Frances Gifford as Viola Johnson

Agnes Moorehead as Bruna Jacobson

Morris Carnovsky as Bjorn Bjornson

Jackie 'Butch' Jenkins as Arnold Hanson

Arthur Space as Pete Hanson

Francis Pierlot as Minister

Elizabeth Russell as Kola Hanson

Sara Haden as Mrs. Bjornson

Dorothy Morris as Ingeborg Jensen

Charles Middleton as Mr. Jensen

Louis Jean Heydt as Mr. Faraassen

Greta Granstedt as Mrs. Faraassen

John Berkes as Circus Driver