Capt. Ben Cutlet
Jeremiah Harbottle
Albert
Olivia Potter-Porter
Yates
Maryatt
Emma Harbottle (as Amy Vaness)
Radio Chef (voice)
Island King's Right Hand Man (uncredited)
Bit Role (uncredited)
Watchman on Jetty (uncredited)
Officer on Yacht (uncredited)
Crew Member Rob Roy (uncredited)
Scotty - Engineer (uncredited)
Second Detective (uncredited)
Crew Member (uncredited)
Sea Scout (uncredited)
Captain of the 'Rob Roy' (uncredited)