Dr. Julian Karell
Eve Brandon
Dr. Kurt van Bruecken
Dr. Henry Latimer
Sir Humphrey Brandon
Alan Guthrie
Det. Insp. Ned Garth
Simpson--Butler
Porter (uncredited)
Butler in Brandon Home (uncredited)
Plainclothesman (uncredited)
Official (uncredited)
Man sleeping on bench (uncredited)
Man (uncredited)
Morgue Official (uncredited)
Liveried Servant (uncredited)
First Bobby (uncredited)
Bobby (uncredited)
Lady Minerva Aldergate (uncredited)
Col. Ashley (uncredited)
Ticket Agent (uncredited)
Trawler Crewman (uncredited)
Harris--Cabby (uncredited)
Dr. G.B. Albertson (uncredited)
Trawler Captain (uncredited)
Sir John Aldergate (uncredited)
Guard (uncredited)
O'Hara--Plainclothesman (uncredited)
Dr. B.A. Vishanoff (uncredited)
Expressman (uncredited)
Art Expert at Party (uncredited)
Pharmacy Clerk (uncredited)
Insp. Lawson (uncredited)