Guy Standing
— Cmdr. Fitzhugh
Rosalind Keith
— Madeline Deming
Tom Brown
— Morton 'Click' Haley
Richard Cromwell
— Boyce Avery
John Howard
— Duncan Haley
Benny Baker
— Zimmer
Louise Beavers
— Miranda
Minor Watson
— Cmmdre. Briggs
Ben Alexander
— Adams
John Darrow
— Porter
William Collier Sr.
— Rumboat Charlie
Wheeler Oakman
— Cmdr. Lawson
Samuel S. Hinds
— Dr. Bryant
Marie Stevens
— Woman at Door (uncredited)