Discover
Herbert Rawlinson
Sanford Quest
Ann Little
Lenora MacDougal (as Anna Little)
William Worthington
Prof. Ashleigh / Lord Ashleigh / Lady Ashleigh
Frank Lloyd
Ian MacDougal
Mark Fenton
Inspector French
Laura Oakley
Laura - Quest's Assistant
Frank MacQuarrie
John Craig
Joe Martin
Chimp
Directing
Otis Turner
Director
Directing
Otis Turner
Director