Steve McQueen
Chief O'Hallorhan
Fred Astaire
Harlee Claiborne
Richard Chamberlain
Simmons
Robert Vaughn
Senator Parker
Ernie F. Orsatti
Mark Powers
Dabney Coleman
Deputy Chief #1
Elizabeth Rogers
Lady in Buoy
Ross Elliott
Deputy Chief #2
Carlena Gower
Angela Allbright
Mike Lookinland
Phillip Allbright
Carol McEvoy
Mrs. Allbright
Scott Newman
Young Fireman
George D. Wallace
Chief Officer
Patrick Culliton
Technician
William Bassett
Leading Agent
Leoda Richards
Party Guest (uncredited)
David Armstrong
Party Guest (uncredited)
Ruth Foster
Party Guest (uncredited)
Maureen McGovern
Singer at Party (uncredited)
Steven Marlo
Fireman (uncredited)