Henry A. Barrows
В роли: Bolton - Head of a Band of Crooks [Ch. 8] (as H.E. Barrows)
Freeman Barnes
В роли: Morton - Carlow's Accomplice [Ch. 5] / Manforth - Bolton's Accomplice [Ch. 8]
Lois Howell
В роли: Bertha - Gungha's Accomplice [Ch. 9]
Anna Reader
В роли: Martha - one of Durbar's Victims [Ch. 4]
Роберт Вон
В роли: Garrett - Leader of the Kidnappers [Ch. 3]
Harry Edwards
В роли: Max - one of the Kidnappers [Ch. 3] / Jones - a Foreign Agent [Ch. 10] (as J. Harry Edwards)