Ray Molina

Dr. Blake

Ebby Rhodes

Dr. Blake's Daughter

Ern Dugo

Prof. Grant

Forest Duke

Dr. Bernstein

Will Long

Prof. Larsen

Ben Smith

Prof. Long

Chuck Alford

Capt. Popejoy

Ross Thompson

Actor

Lalo Rivers

Ernie Chavez

Carme Petrillo

Philip Ahn

Mao Tse Tung (uncredited)