The Cat from Outer Space

Ken Berry

Frank

Sandy Duncan

Liz

Harry Morgan

General Stilton

Roddy McDowall

Mr. Stallwood

McLean Stevenson

Link

Jesse White

Earnest Ernie

Alan Young

Dr. Wenger

Hans Conried

Dr. Heffel

Ronnie Schell

Jake (Voice) / Sgt. Duffy

James Hampton

Capt. Anderson