William Leslie was an actor who had a successful Hollywood career. Leslie began his acting career appearing in various films, such as Forever Female (1953), Johnny Dark (1954) and the Jane Wyman dramatic adaptation Magnificent Obsession (1954). He also appeared in the Frankie Laine musical Bring Your Smile Along (1955), the dramatic adaptation Queen Bee (1955) with Joan Crawford, and The Long Gray Line (1955).
1965Mutiny in Outer SpaceMovieas Maj. Gordon Towers1962The CouchMovieas Dr. David Lindsay
1962Little AmyMovieas Bill Martin (as Bill Leslie)1959The Horse SoldiersMovieas Gray1959Up PeriscopeMovieas Lt. Doherty1958The Last HurrahMovieas Dan Herlihy1958Andy Hardy Comes HomeMovieas Jack Bailey1958Buchanan Rides AloneMovieas Roy Agry1958The LineupMovieas Larry Warner1958CowboyMovieas Tucker1958Return to WarbowMovieas Johnny
1957Casey JonesTV showas Captain Paul Young · 1 episodes1957Operation Mad BallMovieas Pvt. Grimes
1957Ain't No Time for GloryMovie1957The Night the World ExplodedMovieas Dr. David Conway1957Hellcats of the NavyMovieas Lt. Paul Prentice1957The Shadow on the WindowMovieas Stuart19567th CavalryMovieas Lt. Murray
1956The White SquawMovieas Thor Swanson
1956Battle StationsMovieas Ens. Pete Kelly1955Queen BeeMovieas Ty McKinnon
1955Bring Your Smile AlongMovieas David Parker
1955The Red, White and Blue LineMovieas Self1955The Long Gray LineMovieas James "Red" Sundstrom1954Father Knows BestTV showas Mr. Royal · 1 episodes1954Magnificent ObsessionMovieas Bar Patron (uncredited)
1954Johnny DarkMovieas Phil Clark (uncredited)1953Forever FemaleMovieas Bill (uncredited)
1952Scorching FuryMovieas Clint Rust