Pat O'Brien, Priscilla Lane, and Dick Powell in Cowboy from Brooklyn (1938)

Pat O'Brien, Dick Powell, and Ann Sheridan in Cowboy from Brooklyn (1938)

Pat O'Brien and Ken Lynch in McCloud (1970)

Pat O'Brien and Stefanie Powers in McCloud (1970)

Pat O'Brien in Beverly Hills Easter Parade (1959)

Pat O'Brien, Lucien Prival, and Genevieve Tobin in Hollywood Speaks (1932)

Pat O'Brien, Rita La Roy, and Lucien Prival in Hollywood Speaks (1932)

Pat O'Brien and Lilian Bond in Air Mail (1932)

Pat O'Brien, Ann Dvorak, and Lyle Talbot in College Coach (1933)

Pat O'Brien and Ann Dvorak in College Coach (1933)

Pat O'Brien and George Raft in A Dangerous Profession (1949)

Pat O'Brien, Herbert Marshall, and Claire Trevor in Crack-Up (1946)

Pat O'Brien and Claire Trevor in Crack-Up (1946)

Pat O'Brien and Herbert Marshall in Crack-Up (1946)

Pat O'Brien and Ray Collins in Crack-Up (1946)

Pat O'Brien in Here Comes the Navy (1934)

Gloria Stuart and Pat O'Brien in Here Comes the Navy (1934)

James Cagney, Pat O'Brien, and Frank McHugh in Here Comes the Navy (1934)

James Cagney and Pat O'Brien in Here Comes the Navy (1934)

Pat O'Brien in The Navy Comes Through (1942)

Pat O'Brien, Barton MacLane, and Frank McHugh in Marine Raiders (1944)

Ronald Reagan and Pat O'Brien in Knute Rockne All American (1940)

Spencer Tracy and Pat O'Brien in The Last Hurrah (1958)

Pat O'Brien and Walter Huston in American Madness (1932)

James Cagney, Pat O'Brien, Curt Bois, and Marie Wilson in Boy Meets Girl (1938)

Bette Davis and Pat O'Brien in Hell's House (1932)

Humphrey Bogart, James Cagney, Pat O'Brien, Gabriel Dell, Leo Gorcey, Huntz Hall, Billy Halop, Bobby Jordan, Bernard Punsly, and The Dead End Kids in Angels with Dirty Faces (1938)

Bette Davis, Pat O'Brien, and Junior Durkin in Hell's House (1932)

James Cagney, Pat O'Brien, and George Brent in The Fighting 69th (1940)