Yul Brynner as Catlow

Richard Crenna as Cowan

Leonard Nimoy as Miller

Daliah Lavi as Rosita

Jo Ann Pflug as Christina

Jeff Corey as Merridew

Michael Delano as Rio

Dan van Husen as Dutch

Julián Mateos as Recalde

David Ladd as Caxton

Bessie Love as Mrs. Frost

Robert Logan as Oley

John Clark as Keleher

Cass Martin as Sanchez

José Nieto as General