Ramsay Ames
Amina Mansouri
Barton MacLane
Inspector Walgreen
George Zucco
Andoheb, High Priest of Arkan
Frank Reicher
Prof. Matthew Norman
Harry Shannon
Sheriff Elwood
Claire Whitney
Ella Norman
Oscar O'Shea
Museum Watchman
Steve Barclay
Tom's Classmate (uncredited)
Jack C. Smith
Deputy Joe (uncredited)
David Bruce
Radio Announcer (uncredited; voice)
Noble 'Kid' Chissell
Townsman (uncredited)
Caroline Cook
Townswoman (uncredited)
Oliver Cross
Museum Tourist (uncredited)
William Desmond
Museum Tourist (uncredited)
Bess Flowers
Townswoman (uncredited)
Fay Holderness
Policewoman (uncredited)
Michael Jeffers
Townsman (uncredited)
Mira McKinney
Martha Evans (uncredited)
Jack Perrin
Townsman (uncredited)
Jack Rockwell
Deputy (uncredited)
Jack C. Smith
Deputy (uncredited)
Pietro Sosso
Priest (uncredited)
Ivan Triesault
Museum Guide (uncredited)
Dorothy Vaughan
Ada Blake (uncredited)
Carl Vernell
Student (uncredited)
Martha Vickers
Miss McLean - Student (uncredited)
Eddy Waller
Ben Evans (uncredited)
Anthony Warde
Detective at Museum (uncredited)