Preston Foster as Robert Crane

Whitney Bourne as Carolyn Martin

Donald Meek as Gordon Ainsley, aka Henry Robinson

Samuel S. Hinds as Police Commissioner David Theron

Paul Guilfoyle as Taylor

Cecil Kellaway as Fentriss, aka Gilhooley

June Johnson as 'Babs' Theron

Arthur Lake as Roy West

Edythe Elliott as Mrs. Edith Theron

Alec Craig as Bald Theron Servant

Harry Hayden as Dr. Hilliard

Cyril Thornton as Thornton - Theron's majordomo (uncredited)

Vivien Oakland as Mrs. Jerome Courtland (uncredited)

Kitty McHugh as Nurse Agnes Smith (uncredited)

William Corson as Jewelry Deliverer (uncredited)

Richard Bond as Harris - the Courtland Butler (uncredited)

Walter Miller as Police Sergeant O'Riley (uncredited)

William Donnelly as Phoney Delivery Driver with Taylor (uncredited)

Hal Craig as Standing Policeman (uncredited)

Frank O'Connor as Seated Policeman (uncredited)

Frank Williams as Charles, Ainsley's chauffeur (uncredited)