Huckleberry Finn

Mickey Rooney

The "King"

Walter Connolly

Jim

Rex Ingram

The "Duke"

William Frawley

Mary Jane

Lynne Carver

Susan

Jo Ann Sayers

Capt. Brandy

Minor Watson

Widow Douglass

Elisabeth Risdon

'Pap' Finn

Victor Kilian

Miss Watson

Clara Blandick

Sheriff at Jail

Erville Alderson

River Queen Pilot

Arthur Aylesworth

Tad (uncredited)

Irving Bacon

First Riverboat Captain

Wade Boteler

Man at the Show (uncredited)

Ed Brady

Mr. Rucker

Harlan Briggs

Mrs. Shackleford

Nora Cecil

Man Stealing Watermelon (uncredited)

Harry Cording

Old Jailer

Frank Darien

Annie Rucker

Sarah Edwards

Wilkes' Black Butler

Jesse Graves

River Queen Engineer (uncredited)

George Guhl

Judge Logan at Jim's Trial (uncredited)

Roger Imhof

Mr. Barklett the Lawyer

Robert Emmett Keane

First Riverboat Pilot (uncredited)

Lew Kelly

School Girl

Leni Lynn

Miss Bartlett

Anne O'Neal

Woman Wanting Needle Threaded

Sarah Padden

Deputy

Alonzo Price

Harry (uncredited)

Mickey Rentschler

Sam

Johnny Walsh

Mr. Shackleford

E. Alyn Warren

Eliot (uncredited)

Billy Watson

Joe (uncredited)

Delmar Watson

Ben Donaldson

Harry Watson