Approaching the Unknown

Mark Strong

Captain William D. Stanaforth

Luke Wilson

Louis 'Skinny' Skinner (CapCom)

Sanaa Lathan

Captain Emily Maddox

Anders Danielsen Lie

Greenstreet

Charles Baker

Captain Frank Worsely

Bettina Skye

Nasa Technician

?

Nancy Rubel

Mission Control Technician (uncredited)

?

Joe James

Security Guard