The Man in Half Moon Street

Edmund Breon as Sir Humphrey Brandon Morton Lowry as Alan Guthrie John Sheehan as Expressman Reinhold Schünzel as Dr. Kurt van Bruecken Reginald Sheffield as Art Expert at Party Ted Billings as Man Sleeping on Bench Frank Hagney as Bobby (uncredited) Konstantin Shayne as Dr. B.A. Vishanoff Brandon Hurst as Simpson Ernie Adams as Porter Leyland Hodgson as Dr. G.B. Albertson Aminta Dyne as Lady Minerva Aldergate Helen Walker as Eve Brandon Harry Cording as Bobby Frank Baker as Plainclothesman Paul Cavanagh as Dr. Henry Latimer Eustace Wyatt as Inspector Lawson Frank Moran as Trawler Captain Forrester Harvey as Harris Gerald Oliver Smith as Pharmacy Clerk Al Ferguson as Bobby Nils Asther as Dr. Julian Karell Matthew Boulton as Detective Inspector Ned Garth Edward Fielding as Colonel Ashley Cyril Ring as Plainclothesman

Miklós Rózsa Original Music Composer Sam Comer Set Decoration Wally Westmore Makeup Artist