Dennis Moore

饰：Craig Foster

琳达·斯特灵

Linda Stirling

饰：Sheila Layton

罗伊·巴克罗夫特

Roy Barcroft

饰：The Purple Monster

James Craven

饰：Dr. Cyrus Layton

Bud Geary

饰：Hodge Garrett

Mary Moore

饰：Marcia

约翰·戴维森

John Davidson

饰：The Emperor of Mars

Joe Whitehead

饰：Carl Stewart

Emmett Vogan

饰：Saunders

George M. Carleton

饰：Paul Meredith

肯内·邓肯

Kenne Duncan

饰：Charles Mitchell

Rosemonde James

Rosemonde James

饰：Helen

蒙特·黑尔

Monte Hale

饰：Harvey

惠顿·钱伯斯

James Wheaton Chambers

饰：Prof. Benjamin

Fred Howard

饰：Prof. Crandall

肯·特雷尔

Ken Terrell

饰：Andy Martin,(archive footage)

Anthony Warde

饰：Tony,(archive footage)