The Black Box (1915)

Herbert Rawlinson

as Sanford Quest

Ann Little

as Lenora MacDougal (as Anna Little)

William Worthington

as Prof. Ashleigh / Lord Ashleigh / Lady Ashleigh

Frank Lloyd

as Ian MacDougal

M

Mark Fenton

as Inspector French

Laura Oakley

as Laura - Quest's Assistant

F

Frank MacQuarrie

as John Craig

Joe Martin

as Chimp