After being nabbed while trying to stow away on board an ocean liner en route to Hawaii, young Bobby Breen sings for his travel fare and, along with sidekick Pua, turns detective to recover stolen naval documents from crooks
Billy Coulter
Bobby Breen
Strings
Ned Sparks
Captain O'Hare
Irvin S. Cobb
Mrs. Milburn
Gloria Holden
Commander Milburn
Warren Hull
Hina
Mamo Clark
Orchestra Director
Raymond Paige
Hula Dancer
Aggie Auld
Hawaiian Policeman
Cy Kendall
Mr. Harlow
Herbert Rawlinson
Blake
William Harrigan
Doris Milburn
Juanita Quigley
Pua
Pua Lani
Mrs. Harlow
Dora Clement
Regon
Donald Kirke
Julius
Philip Ahn
Muller
Ward Bond
Lonzo
William Abbey
Aunty Pinau
Birdie De Bolt
Banana
Laurence Duran
Ka-ne
Rubén Durán
Solly
Ruben Maldonado
Taxi Driver
Jerry Mandy
Hula Dancer
Uilani Silva
Little Girl
Viola Fay White