Albert Graves (played by Arthur Kennedy) is a protagonist in Crawlspace.
Alice Graves (played by Teresa Wright) appears in Crawlspace.
Sheriff Emil Birge (played by Eugene Roche) appears in Crawlspace.
Dave Freeman (played by Matthew Cowles) appears in Crawlspace.
Mr. Harlow (played by Dan Morgan) appears in Crawlspace.
Davalos (played by Roger Serbagi) appears in Crawlspace.
Wheeler (played by Fleet Emerson) appears in Crawlspace.