Cast and credits of The Secret Land

Starring

Robert Montgomery
Himself - Narrator (voice) (as Comdr. Robert Montgomery U.S.N.R.)

Robert Taylor
Himself - Narrator (voice) (as Lt. Robert Taylor U.S.N.R.)

Van Heflin
Himself - Narrator (voice) (as Lt. Van Heflin A.A.F. Ret.)

James Forrestal
Himself (as James V. Forrestal)

Richard E. Byrd
Himself (as Admiral Byrd)