Edmund Lowe

Philo Vance

Virginia Bruce

Zalia Graem

Benita Hume

Nurse Gladys Beeton

Douglas Walton

Floyd Garden

Nat Pendleton

Sergeant Ernest Heath

Gene Lockhart

Edgar Lowe Hammle

H.B. Warner

Major Fenwicke-Ralston

Kent Smith

Woode Swift

Grant Mitchell

District Attorney Markham

Frieda Inescort

Mrs. Madge Fenwicke-Ralston

Henry B. Walthall

Dr. Garden

Jessie Ralph

Mrs. Hammle

Charles Trowbridge

Inspector Colby

Etienne Girardot

Dr. Doremus

Don Brodie

Messenger (Uncredited)

Olaf Hytten

Vance's Butler (Uncredited)

Rosalind Ivan

Mrs. Jepson (Uncredited)

Fred Kelsey

Heath's Assistant (Uncredited)

Wilbur Mack

Man Yelling at Race Track (Uncredited)

Lee Phelps

Bus Driver (Uncredited)

Alexander Pollard

Waiter at Race Track (Uncredited)

Jack Roper

Servant Eating Caviar (Uncredited)

Matty Roubert

Newsboy (Uncredited)

Dorothy Vernon

Woman Running for Bus (Uncredited)

Duke York

Traffic Cop (Uncredited)