Philo Vance's Secret Mission

Alan Curtis

Philo Vance

Sheila Ryan

Mona Bannister

Tala Birell

Mrs. Elizabeth Phillips

Frank Jenks

Ernie Clark

James Bell

Sheriff Harry Madison

Frank Fenton

Paul Morgan

Paul Maxey

Martin Jamison

Kenneth Farrell

Joe, the photographer

Toni Todd

Louise Roberts aka Mrs. Paul Morgan

David Leonard

Carl Wilson (uncredited)

William Newell

Deputy (uncredited)

Tom Quinn

Haddon Phillips (uncredited)