Mr. Walsingham (1 episode)
Lt. Cooper, test pilot
Cameraman (Uncredited)
Reporter
Driver (uncredited)
Hotel Clerk (uncredited)
Guard (uncredited)
Vermont Man in Speakeasy (uncredited)
Capt. Link
Check Pilot
Jack Stafford
Maitland's Secretary-Lieutenant
Truck Driver (uncredited)
Joe - Policeman
Clerk (uncredited)
Second Henchman
Henchman (uncredited)
Lefty (uncredited)
Pilot (uncredited)
Young Drunk (uncredited)
Reporter (uncredited)
First Engineer (uncredited)