Colin Tapley

as Scientist (uncredited)(8 eps)

as Steward(1 ep)

as Chamberlain(2 eps)

as Haynes

as Dr. Lloyd

as Paul Alexis

as Inspector

as Inspector

as Palmer (uncredited)

as Inspector

as Casca

as Inspector

as Stannard

as Colonel Charles Mercer

as Henry Ryland

as Lord Vanton(1 ep)

as Everard(1 ep)

as Lord Valchrist

as Doctor W.H. Glanville, C.B., C.B.E.

as Sir Stafford Beach

as Arnold Winslow

as Dr. Crabtree

as Major Fergusson

as Charles ('Strange Journey')

as Inspector Maxwell

as Mannering

as Adjutant

as Inspector Davis

as Prince

as Bart Massey

as Mountie

as Gardner

as Hallett

as Jehan LeLoup

as Captain Robert Rogers

as Donaldson (uncredited)

as Chester Greene

as Joe

as Dr. Brooks

as Roger's Friend (Uncredited)

as Dixon

as Tom Brock

as Larry

as Doctor Vernon

as Miller

as Studio Manager

as Sir Philip Burleigh

as Clerk (uncredited)

as Lieutenant Prescott

as Paul Hassel as a young lieutenant

as William Dobbin

as Barrett

as Maître d' (uncredited)

as Mountaineer

as Stage Manager (uncredited)

as Dr. John Lucas