Captain Marvel
Billy Batson
'Whitey' Murphy (as William Benedict)
Betty Wallace
John Malcolm
Prof. Luther Bentley
Henry Carlyle [Ch. 1-3]
Tal Chotali
Dr. Stephen Lang [Ch. 1-9]
Prof. Dwight Fisher [Ch. 1-6] (as Peter George Lynn)
Rahman Bar [Ch. 1, 11-12]
James Howell [Ch. 1]
Barnett - Chief Henchman [Ch. 2-10] (as Kenneth Duncan)
Shazam [Ch. 1]
Cowan - Henchman [Ch. 2-10]
Martin - Henchman [Ch. 3-9]
Maj. Rawley [Ch. 1] (as Leland Hodgson)
Owens - Henchman / Driver [Ch. 3-5]
Akbar [Ch. 11-12]
Chan Lai [Ch. 4]
Benson - Lang's Butler [Ch. 8] (uncredited)
Lefty - Heavy at Lang's Estate [Ch. 8] (uncredited)
Dam Heavy 1 [Ch. 7] (uncredited)
Dodge - Captain of 'The Carfax' [Ch. 10] (uncredited)
Native 5 (uncredited)
Hamid - the Wise Man [Ch. 12] (uncredited)
Henchman (uncredited)
Bridge Heavy [Ch. 2] (uncredited)
Native 6 (uncredited)
Cavalry Lieutenant [Ch. 1] (uncredited)
Native 3 [Ch. 1] (uncredited)
Curio Shop Henchman 2 (uncredited)
Native (uncredited)
Pete - Lang's Estate Caretaker [Ch. 8-9] (uncredited)
Native 2 (uncredited)
Trucker (uncredited)
British Col. Hudson [Ch. 1] (uncredited)
Brandon - Airport Heavy [Ch. 3] (uncredited)
Native Chief [Ch. 11] (uncredited)
British Radio Sergeant [Ch. 1] (uncredited)
Ali (uncredited)
Henchman at Fisher's House [Ch. 6] (uncredited)
First 'Carfax' Seaman [Ch. 10] (uncredited)
Gus - Henchman [Ch. 8] (uncredited)
Scorpion (voice) (uncredited)
Carlson - First Mate on 'The Carfax' [Ch.10] (uncredited)
Curio Shop Heavy [Chs. 2-4] (uncredited)
Carter - Truck-Rental Heavy [Ch. 4-5] (uncredited)
Dam Heavy 2 [Ch. 7] (uncredited)
Lefty - Guillotine Heavy [Chs. 2-3] (uncredited)
Hawks - Bentley's Butler [Ch. 6] (uncredited)
Steve - Third Heavy at Lang's Estate [Chs. 9-10] (uncredited)
Army Sentry [Ch. 1] (uncredited)