William Wright

Philo Vance

Vivian Austin

Lorena Blendon Simms

Leon Belasco

Alexis Karnoff

Clara Blandick

Stella Blendon

Ramsay Ames

Virginia Berneaux

Damian O'Flynn

Larry Blendon

Frank Wilcox

George Hullman

Iris Adrian

Maggie McCarthy / Choo-Choo Divine

Ann Staunton

Helen Varney Blendon

Tim Murdock

The Policeman

Mary Scott

Mary

Wade Crosby

Choo-Choo's Bodyguard (Uncredited)

Eddie Dunn

Police Lieutenant Mullard (Uncredited)

Broderick O'Farrell

Dr. Campbell (Uncredited)

Phyllis Planchard

Agatha Cowle (Uncredited)

William Beaudine