Bill Goodwin

as House detective

as Howard Fowler

as Captain O'Rourke (Uncredited)

as Professor Willis Evans

as Arthur Trent

as Sgt. Higbee / Narrator (voice)

as Mac Tilton

as William 'Moe' Early

as Otis Thayer

as Dr. Rodell

as Christley (uncredited)

as Jimmy Ralston

as Tom Baron

as Sidney Monahan

as Mr. Creely

as Announcer at Shell Race

as Dog Show Announcer

as Chuck Steuart

as Police Lt. Larry Brooks

as Mike

as George R. Kelly

as Sherman Billingsley

as Tom Baron

as Mel Gilbert

as Bill Plumber

as Gordon P. Turner

as Rick Castle

as Rod Huntley

as Steve

as Joseph Randall

as Tim Callahan