Prof. Aronnax
Aronnax's Daughter
Ned Land
Capt. Nemo
Lt. Bond
A Child of Nature
Cyrus Harding
Charles Denver (as William Welch)
Prince Daaker's Daughter - as a Child
Pencroft (as Wallace Clark)
Maj. Cameron (uncredited)
Undetermined Secondary Role (uncredited)
Neb (uncredited)
Herbert Brown (uncredited)