출연진
Neil Hamilton
Donald Kilgore
Sheila Terry
Paula Nyberg
Arthur Byron
Conductor Clark
Guy Kibbee
Railway Detective McDuff
Dudley Digges
Professor Axel Nyberg
Arthur Hohl
Wallace Myton
Allen Jenkins
Robert 'Rusty' Griffith
Harold Huber
Train Guard Craft
G. Pat Collins
Train Guard Harry Burns
Robert Barrat
Mr. Calhoun, Attorney
Vernon Steele
Dr. Harold Rolph
Ivan F. Simpson
Johnson, Kilgore's Secretary