Characters played by Macdonald Carey
Dr. Brett Young
Characters played by Märta Torén
Madeline Brenner
Characters played by Robert Douglas
Cmdr. Eric von Molter
Characters played by Carl Esmond
Lt. Heldman
Characters played by Ludwig Donath
Dr. Adolph Guernitz
Characters played by Jacqueline Dalya
Carla von Molter
Characters played by Fred Nurney
Bruno
Characters played by Katherine Warren
Mrs. Weber
Characters played by Howard Negley
Captain Elliott
Characters played by Bruce Morgan
Kramer
Characters played by Ralph Brooks
Stefan
Characters played by Paul Hoffman
Hartwig
Characters played by Peter Michael
Crew Member
Characters played by Larry Winter
Crew Member
Characters played by Frank Rawls
Crew Member
Characters played by Peter Similuk
Crew Member
Characters played by Orlando Beltran
Belgrana Hospital Orderly
Characters played by Charles Drake
Commodore
Characters played by Jim Hayward
Yacht Captain
Characters played by Thomas Browne Henry
Mr. Hagen
Characters played by Judd Holdren
Wireless Operator
Characters played by Richard Mayer
Navy Lieutenant
Characters played by Damian O'Flynn
Admiral
Characters played by Steve Pendleton
Asst. U.S. Atty. Paul Rodgers
Characters played by Keith Richards
Jenkins
Characters played by Raymond Shapiro
Radio Operator
Characters played by Lester Sharpe
North Star Captain
Characters played by George Spaulding
Admiral