Anthony Quinn as Chavez

James Coburn as Zac

Deborah Baxter as Emily Thornton

Gert Fröbe as Dutch Captain

Dennis Price as Mathias

Lila Kedrova as Rosa

Nigel Davenport as Mr. Thornton

Isabel Dean as Alice Thornton

Kenneth J. Warren as Capt. Marpole

Ben Carruthers as Alberto

Brian Phelan as Curtis

Trader Faulkner as Pirate

Charles Laurence as Tallyman

Charles Hyatt as Pirate

Dan Jackson as Pirate

Viviane Ventura as Margaret Fernandez

Kenji Takaki as Cook

Roberta Tovey as Rachel Thornton

Martin Amis as John Thornton

Jeffrey Chandler as Edward Thornton

Karen Flack as Laura Thornton

Henry Beltran as Harry Fernandez

Philip Madoc as Guardia Civile