as Gordon P. Turner

as Joseph Randall

as Mr. Creely

as Howard Fowler

as Narrator (voice)

as Otis Thayer

as Dr. Rodell

as Frederick Morrow

as Mel Gilbert

as William 'Moe' Early

as Dr. Fiston

as Arthur Trent

as Tom Baron

as Sidney Monahan

as Jimmy Ralston

as George R. Kelly

as Bill Plumber

as Rod Huntley

as Tom Baron

as Mac Tilton

as Police Lt. Larry Brooks

as Rick Castle

as House detective

as Sherman Billingsley

as Tim Callahan

as Mike

as Professor Willis Evans

as Chuck Steuart

as Steve

as Captain O'Rourke (Uncredited)

as Announcer at Shell Race

as Sgt. Higbee / Narrator (voice)

as Dog Show Announcer