Mickey Rooney

Huckleberry Finn

Rex Ingram

Jim

William Frawley

The 'Duke'

Lynne Carver

Mary Jane

Jo Ann Sayers

Susan

Minor Watson

Capt. Brandy

Elisabeth Risdon

Widow Douglass

Victor Kilian

'Pap' Finn

Clara Blandick

Miss Watson

Erville Alderson

Sheriff at Jail (uncredited)

Irving Bacon

Tad (uncredited)

Wade Boteler

First Riverboat Captain (uncredited)

Ed Brady

Man at the Show (uncredited)

Harlan Briggs

Mr. Rucker (uncredited)

Nora Cecil

Mrs. Shackleford (uncredited)

Harry Cording

Man Stealing Watermelon (uncredited)

Sarah Edwards

Annie Rucker (uncredited)

George Guhl

River Queen Engineer (uncredited)

Robert Emmett Keane

Mr. Barklett the Lawyer (uncredited)

Lew Kelly

First Riverboat Pilot (uncredited)

Leni Lynn

School Girl (uncredited)

Anne O'Neal

Miss Bartlett (uncredited)

Alonzo Price

Deputy (uncredited)

Mickey Rentschler

Harry (uncredited)

E. Alyn Warren

Mr. Shackleford (uncredited)