Steve McQueen

Lt. Frank Bullitt

Robert Vaughn

Walter Chalmers

Jacqueline Bisset

Cathy

Don Gordon

Lt. Delgetti

Robert Duvall

Cabbie Weissberg

Simon Oakland

Captain Sam Bennett

Norman Fell

Captain Baker

Georg Stanford Brown

Dr. Willard

Justin Tarr

Eddy

Carl Reindel

Detective Stanton

Felice Orlandi

Albert E. Renick

Vic Tayback

Pete Ross

Robert Lipton

1st Aide

Ed Peck

Westcott

Pat Renella

Johnny Ross

Paul Genge

The Hitman

John Aprea

Killer

Al Checco

Desk Clerk

Bill Hickman

Phil

Robert Cleaves

Uniformed Courtesy Officer (uncredited)