The Land Unknown

Jock Mahoney

as

Commander Haro...

Shirley Patter...

as

Margaret 'Magg...

William Reynol...

as

Lt. Jack Carmen

Henry Brandon

as

Dr. Carl Hunter

Douglas Kennedy

as

Capt. Burnham

Phil Harvey

as

Machinist's Ma...

Kenner G. Kemp

as

Officer at Bri...

Bing Russell

as

Radio Operator...

Bert Stevens

as

Officer at Bri...