Blackhawk

Kirk Alyn

— Blackhawk

Carol Forman

— Laska

John Crawford

— Chuck

Michael Fox

— Mr. Case

Don C. Harvey

— Olaf

Rick Vallin

— Stan / Boris

Larry Stewart

— Andre

Weaver Levy

— Chop Chop

Zon Murray

— Bork

Nick Stuart

— Cress

Marshall Reed

— Aller

Pierce Lyden

— Dyke

William Fawcett

— Dr. Rolph [Chs. 4-7]

Rory Mallinson

— Hodge [Chs. 11-14]

Frank Ellis

— Hendrickson [Chs. 1-2, 4, 8-9]

Marshall Bradford

— Malcolm Smith [Ch. 10]

Frank Gerstle

— Dawson [Chs. 7-8]

Charles Horvath

— Otto Helger [Chs. 12-13]

Knox Manning

— Narrator (voice)