Featured Cast of :
John Loder(as Sir Henry Leland)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
John Loder
(as Sir Henry Leland)
Eleanor Parker(as Letty Carstairs)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Eleanor Parker
(as Letty Carstairs)
Lester Matthews(as Dr. Frederick Holmes)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Lester Matthews
(as Dr. Frederick Holmes)
Forrester Harvey(as Hugh Penhryn)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Forrester Harvey
(as Hugh Penhryn)
Phyllis Barry(as Ruby)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Phyllis Barry
(as Ruby)
Stuart Holmes(as Civil Defense Officer)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Stuart Holmes
(as Civil Defense Officer)
William Hopper(as )
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
William Hopper
(as )
Crauford Kent(as Army Commander)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Crauford Kent
(as Army Commander)
Hank Mann(as Roger Porley)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Hank Mann
(as Roger Porley)
Frank Mayo(as Simon Tewksbury)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Frank Mayo
(as Simon Tewksbury)
Jack Mower(as Policeman)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943
Jack Mower
(as Policeman)
Leo White(as Headless Man)
The Mysterious Doctor
Released
1943
The Mysterious Doctor
Released
1943