Herbert Rawlinson

Character: Sanford Quest

Ann Little

Character: Lenora MacDougal (as Anna Little)

William Worthington

Character: Prof. Ashleigh / Lord Ashleigh / Lady Ashleigh

Frank Lloyd

Character: Ian MacDougal

Mark Fenton

Character: Inspector French

Laura Oakley

Character: Laura - Quest's Assistant

Frank MacQuarrie

Character: John Craig

Joe Martin

Character: Chimp