米尔本·斯通

Milburn Stone

饰：Jim Hudson

玛乔丽·韦弗

Marjorie Weaver

饰：Ruth Miller

埃德加·肯尼迪

Edgar Kennedy

饰：Bosun Higgins

萨缪尔·S·辛兹

Samuel S. Hinds

饰：Herman Brock [Chs. 3-13]

马丁·科斯莱克

Martin Kosleck

饰：Dr. Hauss

拉尔夫·摩根

Ralph Morgan

饰：Dr. Miller

约瑟夫·奎汉

Joseph Crehan

饰：Bill Hudson [Chs. 3-13]

福兹·奈特

Fuzzy Knight

饰：'Grit' Hartman [Chs. 4-13]

哈利·考丁

Harry Cording

饰：Capt. Greeder [Chs. 1-3]

Anthony Warde

饰：Brandon [Chs. 3-13]

Jack Clifford

饰：Agent Dunn, posing as trapper [Ch. 1]

William Ruhl

饰：Agent Grey, posing as trapper [Chs. 1-2]

Perc Launders

饰：Haegle, phoney marshal [Ch.4]

Edward Gargan

饰：Kurtz [Chs. 4-13]

Michael Romano

饰：Eskimo Chief [Ch. 2-4]

汤姆·基恩

Tom Keene

饰：Burger [Ch. 11] (as Richard Powers)

埃德蒙·科博

Edmund Cobb

饰：Miner Worker Preparing Ambush [Ch. 9] (uncredited)

克南·克里普斯

饰：The Marshal [Ch. 6] (uncredited)

Reed Howes

饰：Ship's Officer [Ch. 1] (uncredited)

Jack Ingram

饰：Henchman (uncredited)

Stanley Price

饰：Brandon's Henchmen (uncredited)

Jack Rockwell

饰：Kessel - Mine Thug [Chs. 6-7 - 12-13] (uncredited)

Ben Taggart

饰：Deputy Marshal [Ch. 7] (uncredited)

Jack Rube Clifford

饰：Agent Dunn, Posing as Trapper [Ch. 1]

George Chesebro