Steve McQueen

Lt. Ferguson 'Fergie' Howard

Jim Hutton

Jason Eldridge

Paula Prentiss

Pam Dunstan

Brigid Bazlen

Julie Fitch

Dean Jagger

Admiral Fitch

Jack Weston

Signalman Burford Taylor

Jack Mullaney

Lt. Beauregard 'Beau' Gilliam

Marcel Hillaire

Inspector of casino games

Ben Astar

Russian consul

William Lanteau

Tommy Dane

Ken Lynch

Capt. James Angle

Simon Scott

Capt. Harvey Adam

Norman Grabowski

Shipboard Signalman (uncredited)

Bess Flowers

Bar Patron (uncredited)

Kenner G. Kemp

Casino Patron (uncredited)