The Lone Wolf goes undercover in Egypt to foil a Nazi plot to bomb and disable the Suez canal, which is vital to England's war effort.
| Actor | Role |
|---|---|
 Warren WilliamMichael Lanyard / The Lone Wolf | Michael Lanyard / The Lone Wolf |
 Ann SavageValerie King | Valerie King |
 Eric BloreLlewellyn Jameson | Llewellyn Jameson |
| RRobert StanfordDonald Jameson | Donald Jameson |
 Sheldon LeonardJohnny Booth | Johnny Booth |
 Lloyd BridgesFritz | Fritz |
 Gavin MuirKarl | Karl |
 Grace LemChinese Lady at Nightclub | Chinese Lady at Nightclub |
 Sig ArnoMr. Whistler | Mr. Whistler |
| FFrank ArnoldFrench Waiter | French Waiter |
 Frances ChanChinese Lady at Nightclub | Chinese Lady at Nightclub |
 Darby JonesBellboy | Bellboy |
 Frank LackteenLaundry Proprietor | Laundry Proprietor |
| MMal MerrihughChauffeur | Chauffeur |
 Louis MerrillMr. Rembrandt | Mr. Rembrandt |
 Jay NovelloMr. Cezanne | Mr. Cezanne |
 Frank O'ConnorWembley Agent | Wembley Agent |
 Jack RiceHotel Night Clerk | Hotel Night Clerk |
 Floyd ShackelfordBellboy | Bellboy |
| GGene StoneBartender | Bartender |
| NNick ThompsonHenchman in Laundry | Henchman in Laundry |
 John TyrrellWembley Agent | Wembley Agent |
 Frederick WorlockSir Roger Wembley | Sir Roger Wembley |