The Captain's Kid

May Robson

Aunt Marcia Prentiss

Sybil Jason

Abigail Prentiss

Guy Kibbee

Asa Plunkett

Jane Bryan

Betsy Ann Prentiss

Fred Lawrence

Tom Squires

Dick Purcell

George Chester

Mary Treen

Libby, the Housekeeper

Gus Shy

John 'Johnny' Shores, the Chauffeur

Maude Allen

Mabel

Granville Bates

Sheriff Pengast

Victor Potel

Deputy Jake Hutchinson

George E. Stone

Steve

Gordon Hart

Mayor Bart Cabot

Tom Wilson

Bill Brown

Robert Emmett Keane

Mister Bridges, a Lawyer

Jack Wise

Weymouth, the Hotel Desk Clerk

Joseph E. Bernard

Courtroom Spectator

Hal Craig

Motorcycle Policeman

Joseph Crehan

Deputy Coroner Frank Knickerbocker

Joe Cunningham

Jury Foreman