Chester Morris. Chester Morris was 45 in Boston Blackie and the Law as 'Horatio 'Boston Blackie' Black'.
Trudy Marshall. Trudy Marshall was 24 in Boston Blackie and the Law as 'Irene'.
Constance Dowling. Constance Dowling was 26 in Boston Blackie and the Law as 'Dinah Moran'.
Richard Lane. Richard Lane was 47 in Boston Blackie and the Law as 'Inspector Farraday'.
George E. Stone. George E. Stone was 43 in Boston Blackie and the Law as 'The Runt'.
Frank Sully. Frank Sully was 38 in Boston Blackie and the Law as 'Sgt. Matthews'.
Warren Ashe. Warren Ashe was 43 in Boston Blackie and the Law as 'John Lampau, alias John Jani'.
Selmer Jackson. Selmer Jackson was 58 in Boston Blackie and the Law as 'Warden Lund'.
Wanda Perry. Wanda Perry was 29 in Boston Blackie and the Law as 'Secretary (uncredited)'.
D. Ross Lederman. D. Ross Lederman was 52 in Boston Blackie and the Law as 'Director'
Mischa Bakaleinikoff. Mischa Bakaleinikoff was 56 in Boston Blackie and the Law as 'Music Director'George Meehan. George Meehan was 55 in Boston Blackie and the Law as 'Director of Photography'Harry Essex. Harry Essex was 36 in Boston Blackie and the Law as 'Screenplay'
Ted Richmond. Ted Richmond was 36 in Boston Blackie and the Law as 'Producer'James Sweeney. James Sweeney was 45 in Boston Blackie and the Law as 'Editor'Malcolm Stuart Boylan. Malcolm Stuart Boylan was 49 in Boston Blackie and the Law as 'Additional Dialogue'Jack Boyle. Jack Boyle was >> in Boston Blackie and the Law as 'Characters'William F. Calvert. William F. Calvert was >> in Boston Blackie and the Law as 'Set Decoration'Charles Clague. Charles Clague was 56 in Boston Blackie and the Law as 'Art Direction'