Ray Molina

Dr. Blake

Production

Ebby Rhodes

Dr. Blake's Daughter

Acting

Ern Dugo

Prof. Grant

Acting

Forest Duke

Dr. Bernstein

Acting

Will Long

Prof. Larsen

Acting

Ben Smith

Prof. Long

Acting

Chuck Alford

Capt. Popejoy

Acting

Ross Thompson

Actor

Acting

Lalo Rivers

Acting

Ernie Chavez

Acting

Carme Petrillo

Acting

Philip Ahn

Mao Tse Tung (uncredited)

Acting