Characters played by Ann Harding
Carol Howard
Characters played by Basil Rathbone
Gerald Lovell
Characters played by Binnie Hale
Kate Meadows
Characters played by Bruce Seton
Ronald Bruce
Characters played by Jean Cadell
Aunt Lou
Characters played by Bryan Powley
Dr. Gribble
Characters played by Joan Hickson
Emmy
Characters played by Donald Calthrop
Hobson
Characters played by Eugene Leahy
Mr. Tuttle
Characters played by Ben Williams
Ship's Steward